ライフサイエンスコーパス: quasiparticle

1 r, known as an exciton, which is yet another quasiparticle.

2 lian anyons, a highly desired type of exotic quasiparticle.

3 d structure features three-dimensional Dirac quasiparticles.

4 annels involving electron-like and hole-like quasiparticles.

5 al single-electron-like excitations known as quasiparticles.

6 ity originating from the condense of anyonic quasiparticles.

7 ual electrons in graphene behave as massless quasiparticles.

8 order and the emerging of the fractionalized quasiparticles.

9 improving screening of interactions between quasiparticles.

10 th the presence of long-lived spin-polarized quasiparticles.

11 dau's Fermi liquid theory of non-interacting quasiparticles.

12 oscopic parameters, rather than well-defined quasiparticles.

13 rmi surface reconstruction, and conventional quasiparticles.

14 , by implication, in other systems with Bose quasiparticles.

15 r if they coexist with conventional, massive quasiparticles.

16 C theory regarding the recombination rate of quasiparticles.

17 matter that hosts Weyl fermions as emergent quasiparticles.

18 spatiotemporal map of the diffusion of these quasiparticles.

19 omistic electronic structure of the magnetic quasiparticles.

20 strongly coupled systems without long-lived quasiparticles.

21 he thermally induced motion of particles and quasiparticles.

22 ring state allows for the existence of nodal quasiparticles.

23 ed system reaching beyond the regime of free quasiparticles.

24 Exciton-polaritons are mixed light-matter quasiparticles.

25 nanocomposite heterostructure with magnetic quasiparticles (0) embedded in a ferroelectric film matr

26 spatially-extended pairs of fractional S=1/2 quasiparticles, 2D analogues of 1D spinons.

27 the apparent breakdown of the concept of the quasiparticle, a cornerstone of existing theories of str

28 tudying many-body interactions of electronic quasiparticles among themselves and with lattice vibrati

29 a correlated phase with fractionally charged quasiparticles and a ground-state degeneracy that grows

30 matter that hosts Weyl fermions as emergent quasiparticles and admits a topological classification t

31 ch may be considered as Frenkel exciton-like quasiparticles and analyze the dependence of their densi

32 s to a k-space differentiation between nodal quasiparticles and antinodal excitations.

33 es the simplest phase supporting non-Abelian quasiparticles and can be seen as the blueprint of fract

34 a feasible experimental realization of Weyl quasiparticles and related phenomena in clean and contro

35 s collision experiments with various complex quasiparticles and suggests a promising new way of gener

36 isms in controlling the dynamics of residual quasiparticle, and show quantized changes in quasipartic

37 dispersion behave as massless Weyl- or Dirac-quasiparticles, and continue to intrigue due to their cl

38 demand, enabling relativistic massless Dirac quasiparticles, and thus inducing low-loss transport eit

39 The structure and dynamics of quasiparticles are important because they define macrosc

40 degeneracy that grows exponentially as these quasiparticles are introduced.

41 the oxygen sites are in the Hamiltonian, the quasiparticles are much simpler than in the exact soluti

42 hat neither well-defined electron nor phonon quasiparticles are present in this material.

43 In such Tomonaga-Luttinger liquids, quasiparticles are replaced by distinct collective excit

44 The most prominent examples of emergent quasiparticles are the ones with fractional electric cha

45 ation of polaritons - part-light part-matter quasiparticles, are highly advantageous since the requir

46 ge or may reflect multiple passes of the e/4 quasiparticle around the interferometer.

47 The Landau-Fermi liquid picture for quasiparticles assumes that charge carriers are dressed

48 Using a local electrometer to compare how quasiparticles at nu = 5/2 and nu = 7/3 charge these pud

49 Here we present observations of localized quasiparticles at nu = 5/2, confined to puddles by disor

50 The quasiparticle band gaps of semiconducting carbon nanotub

51 rst-principles calculations have predicted a quasiparticle bandgap much larger than the measured opti

52 inescence excitation spectroscopy suggests a quasiparticle bandgap of 2.2 eV, from which we estimate

53 proximately 0.7 electronvolts), leading to a quasiparticle bandgap of 2.7 electronvolts.

54 The transport of electrically charged quasiparticles (based on electrons or ions) plays a pivo

55 Unlike other quasiparticle BEC systems, this system has a spectrum wi

56 ntually approaching the temperature at which quasiparticles become identifiable at all.

57 hors unveil the existence of another type of quasiparticle, bielectron vortices, which are bosonic an

58 nce of a new type of energetically favorable quasiparticle: bielectron vortices, which are double-cha

59 Here we show, using neutron scattering, that quasiparticle breakdown can also occur in a quantum magn

60 Such quasiparticle breakdown was first predicted for an exoti

61 larity, so that excited states are no longer quasiparticles but occupy a wide band of energy.

62 or large systems, enabling fast and accurate quasiparticle calculations for complex materials systems

63 uctor microcavity chips using exciton-photon quasiparticles called polaritons.

64 But interactions between quasiparticles can be substantial in dense systems.

65 Oppositely charged electron and hole quasiparticles can coexist in an ionized but correlated

66 he thermally induced motion of particles and quasiparticles can in turn interact with electronic degr

67 ption: in some systems the very existence of quasiparticles cannot be taken for granted.

68 Like unstable elementary particles, quasiparticles cannot survive beyond a threshold where c

69 tions from gapped (localized) to delocalized quasiparticles characterized by a longer lifetime.

70 nsmission through the device consistent with quasiparticle charge e/4 is observed at nu = 5/2 and at

71 ve e/2 period may empirically reflect an e/2 quasiparticle charge or may reflect multiple passes of t

72 ssibilities, we attribute to the partitioned quasiparticle charge.

73 reveals the long-sought four-fold symmetric quasiparticle 'cloud' aligned with the nodes of the d-wa

74 of attosecond science, to explore ultrafast quasiparticle collisions directly in the time domain: a

75 optical bandstructure reconstruction8,9, and quasiparticle collisions10,11.

76 ansistor of tightly bound negative trions, a quasiparticle composed of two electrons and a hole.

77 Instead, different quasiparticle configurations are stabilized dominantly b

78 Exciton-polaritons are quasiparticles consisting of a linear superposition of p

79 h the quasiparticle peak merges with the two-quasiparticle continuum.

80 that scale inversely with width, supporting quasiparticle corrections to the calculated gap.

81 he pairing occurs between weakly interacting quasiparticles (corresponding to the electrons in ordina

82 Imaging of the spatial dependence of the quasiparticle density of states in the vicinity of the i

83 A 70% reduction in the quasiparticle density results in a threefold enhancement

84 Recently, magnons, which are quasiparticles describing the collective motion of spins

85 solated conducting chains, the Fermi-liquid (quasiparticle) description appropriate for higher dimens

86 tion of this quantum coherent suppression of quasiparticle dissipation across a Josephson junction.

87 Josephson's key theoretical prediction that quasiparticle dissipation should vanish in transport thr

88 have shown that Coulomb correlations between quasiparticles dominate the nonlinear optical response o

89 cribed within the framework of gapping Dirac quasiparticles due to broken time-reversal symmetry.

90 esolved photoemission can directly image the quasiparticle dynamics of the d-electron subband ladder

91 re typically an indication of unconventional quasiparticle dynamics, such as inelastic scattering, or

92 ect the current to be carried by partitioned quasiparticles, each with energy-dependent charge, being

93 ealing a dramatic doping-dependent upturn in quasiparticle effective mass at a critical metal-insulat

94 ions that reveal a strong enhancement of the quasiparticle effective mass toward optimal doping.

95 cal point (QCP) characterized by a divergent quasiparticle effective mass.

96 Luttinger's theorem and a strongly enhanced quasiparticle effective mass.

97 How coherent quasiparticles emerge by doping quantum antiferromagnets

98 Magnetoelectricity creates a novel quasiparticle excitation--the electromagnon--at terahert

99 which occur in systems with an energy gap to quasiparticle excitations (such as insulators or superco

100 f dissipation, despite the presence of lossy quasiparticle excitations above the superconducting gap,

101 ignals can be dissipative in the presence of quasiparticle excitations above the superconducting gap.

102 unusual crystal that hosts Weyl fermions as quasiparticle excitations and features Fermi arcs on its

103 tation spectrum often has nodes, which allow quasiparticle excitations at low energies.

104 Majorana zero modes are quasiparticle excitations in condensed matter systems th

105 We thus uncover the softening of a branch of quasiparticle excitations located away from the traditio

106 tonian that has independent spinon and holon quasiparticle excitations plus a weak coupling of the tw

107 esults are discussed within a picture of e/4 quasiparticle excitations potentially possessing non-Abe

108 Andreev reflection of quasiparticle excitations provides a sensitive and passi

109 redicted to produce the long-sought Majorana quasiparticle excitations.

110 m chaos for a critical Fermi surface without quasiparticle excitations.

111 phase in the spectrum of hybrid light-matter quasiparticles-exciton-polaritons in semiconductor micro

112 described by the concept of non-interacting 'quasiparticles' first introduced by Landau.

113 neous time-reversal symmetry breaking, whose quasiparticles form three-dimensional quantum Hall and W

114 Exciton-polaritons are hybrid light-matter quasiparticles formed by strongly interacting photons an

115 se transitions, generating a series of novel quasiparticles, from isospin-1 triplet fermions to tripl

116 stood in terms of elementary excitations, or quasiparticles--fundamental quanta of energy and momentu

117 agnetic disorder, which close and reopen the quasiparticle gap of the paired electrons in a nontrivia

118 Non-Abelian quasiparticles have been predicted to exist in a variety

119 on of a Bose glass of field-induced magnetic quasiparticles in a doped quantum magnet (bromine-doped

120 Magnons and phonons are fundamental quasiparticles in a solid and can be coupled together to

121 onductivity is a signature of the absence of quasiparticles in a strongly correlated electron fluid w

122 , which we call chirons, resemble low-energy quasiparticles in bilayer graphene and emerge regardless

123 msey spectroscopy methods for observing Weyl quasiparticles in cold alkaline-earth-atom systems.

124 provides a new technique with which to study quasiparticles in correlated materials.

125 Here we demonstrate that the Dirac quasiparticles in graphene provide a dramatic departure

126 the pump pulses photoexcite non-equilibrium quasiparticles in LCMO, which rapidly interact with phon

127 Trimerons may be important quasiparticles in magnetite above the Verwey transition

128 Creating polaritonic quasiparticles in monolithic, compact architectures with

129 ntly for polaritons: half-matter, half-light quasiparticles in semiconductor microcavities.

130 a strong lattice coupling of photon-induced quasiparticles in spin-orbital coupling Mott insulator S

131 Here we report that spin-polarized quasiparticles in superconducting aluminium layers have

132 r an abrupt destruction of Fermi liquid-like quasiparticles in the correlated metal LaNiO(3) when con

133 esults establish the existence of fractional quasiparticles in the high-energy spectrum of a quasi-tw

134 ding reveals significantly slower buildup of quasiparticles in the superconducting state than in the

135 we show that the recent observation of Ising quasiparticles in URu(2)Si(2) results from a spinor orde

136 standard Fermi-liquid picture of long-lived quasiparticles in well-defined band states emerge at low

137 laritons, which are localized or propagating quasiparticles in which photons are coupled to the quasi

138 to reduce the number of unpaired electrons (quasiparticles) in close proximity to the device.

139 device whose memristive behavior arises from quasiparticle-induced tunneling when supercurrents are c

140 equent relaxation, which are consistent with quasiparticles injection across a rigid semiconducting g

141 nsition metal dichalcogenides can couple the quasiparticle interaction between the 2D material and su

142 o the tunable interplay between topology and quasiparticle interactions (3-6) .

143 Additional quasiparticle interactions may also create strongly corr

144 system (exciton) and bath (vacuum and other quasiparticles) interactions and determines the timescal

145 dge state interferometer designed to observe quasiparticle interference effects.

146 delocalized electronic states detectable by quasiparticle interference imaging are dispersive along

147 We used Bogoliubov quasiparticle interference imaging to determine the Ferm

148 ts of the heavy-fermion band structure using quasiparticle interference imaging to reveal quantitativ

149 Heavy-quasiparticle interference imaging within this gap revea

150 enology that was theoretically predicted for quasiparticle interference in a phase-incoherent d-wave

151 rous sets of dispersing modulations with the quasiparticle interference model shows that no additiona

152 e symmetric "octet" of dispersive Bogoliubov quasiparticle interference modulations.

153 g tunneling spectroscopy was used to measure quasiparticle interference patterns in epitaxial graphen

154 otoemission spectroscopy data indicates that quasiparticle interference, due to elastic scattering be

155 When analysed as arising from quasiparticle interference, the modulations yield elemen

156 In the model of quasiparticle interference, this presence of an effectiv

157 By combining Landau level spectroscopy and quasiparticle interference, we distinguish a large spin-

158 to observe temperature evolution of the 5/2 quasiparticle interference.

159 al systems, even weak interactions break the quasiparticles into collective excitations.

160 Scattering of the antinodal quasiparticles is therefore strongly influenced by nanom

161 Scattering and interference of the composite quasiparticles is used to resolve their energy-momentum

162 ons with Ising 5f(2) states to produce Ising quasiparticles; it accounts for the large entropy of con

163 search, and they have been found to form new quasiparticles known as Fermi polarons.

164 accurate measurement of the band structure, quasiparticle lifetime, electron reflectivity, and phase

165 The system exhibits Dirac quasiparticle-like transport, that is, pseudo-diffusion

166 The four states correspond to two spin-(1/2) quasiparticles localised at the ends of the macroscopic

167 Quasiparticles made of such light-matter microcavity pol

168 relate this effect to the Berry curvature of quasiparticle magnetic sub-bands, and calculate the depe

169 nts reveal an unusual coexistence of a light quasiparticle mass and signatures of strong many-body in

170 s of a Weyl state, including light effective quasiparticle masses, ultrahigh carrier mobility, as wel

171 These interactions may lead to quasiparticles mimicking the massless relativistic dynam

172 hene, annealed so that it achieves very high quasiparticle mobilities (greater than 10(6) square cent

173 Ordinary quasiparticle models can account for neither the strengt

174 s achieved both classically, by manipulating quasiparticle momenta with a magnetic field, and quantum

175 Bogolyubov quasiparticles move in a practically uniform magnetic fi

176 in real space, which is the hallmark of its quasiparticle nature, has so far remained elusive.

177 within the CuO chains appear to retain their quasiparticle nature.

178 The quasiparticles near the Weyl nodes develop out of the Ko

179 -degenerate nodes realize emergent fermionic quasiparticles not present in relativistic quantum field

180 is the use of mobile impurities that bind to quasiparticles of a host many-body system.

181 In the bi-layer case, the quasiparticles of the system (skyrmions) have bosonic st

182 Magnon-polaritons are hybrid light-matter quasiparticles originating from the strong coupling betw

183 bserve a threshold momentum beyond which the quasiparticle peak merges with the two-quasiparticle con

184 ta-phases, predict the existence of a strong quasiparticle peak near the Fermi level and give a new v

185 the relaxation component of superconducting quasiparticles persisted from the superconducting state

186 Here, we show that the standard quasiparticle picture of the entanglement evolution, com

187 que opportunity to explore how the fermionic quasiparticle picture recovers, and over what time scale

188 This quasiparticle plays an important role in the spectral fu

189 solid systems and are often described from a quasiparticle point of view as magnons.

190 Gap and quasiparticle population dynamics revealed marked depend

191 tudy the initial rise of the non-equilibrium quasiparticle population in a Bi2Sr2CaCu2O8+delta cuprat

192 We report a detailed investigation of the quasiparticle (QP) recombination lifetime, tauqp, as a f

193 Using many-body quasiparticle (QP) techniques, we show that the frontier

194 ing degrees of freedom emerge weakly coupled quasiparticles (QPs), in terms of which most physical pr

195 dow into the dynamical processes that govern quasiparticle recombination and gap formation in cuprate

196 , for repulsive interactions, we study novel quasiparticles--repulsive polarons--the lifetime of whic

197 ices of sizes up to 8 x 8, shows anisotropic quasiparticle residue around the pocket Fermi surfaces.

198 ions that alter the nature of the electronic quasiparticles, resulting in phenomena such as non-Fermi

199 The lifetime of the emergent heavy quasiparticles reveals signatures of enhanced scattering

200 a scanning tunneling microscope to visualize quasiparticle scattering and interference at the surface

201 is of the impurity-state energies shows that quasiparticle scattering at Ni is predominantly non-magn

202 Here, we introduce intraband Bogoliubov quasiparticle scattering interference (QPI) techniques f

203 interpretation of these signals in terms of quasiparticle scattering is developed.

204 These results refocus attention on quasiparticle scattering processes as potential explanat

205 We find intense quasiparticle scattering resonances at the Zn sites, coi

206 Confirming the existence of localized e/4 quasiparticles shows that proposed interferometry experi

207 for a wide range of proposals to achieve new quasiparticle species and device functionality.

208 in the superconducting state have revealed a quasiparticle spectrum with a d-wave gap structure that

209 The quasiparticle spins are mapped onto a robust, macroscopi

210 electron fluid, where anisotropically paired quasiparticle states are energetically favoured.

211 Nodal quasiparticle states are well established in copper-oxid

212 results in the presence of gapless or nodal quasiparticle states in the excitation spectrum.

213 logical phases of matter hosting non-Abelian quasiparticles (such as anyons) can emerge when a semico

214 The notion of a quasiparticle, such as a phonon, a roton or a magnon, is

215 Materials harbouring exotic quasiparticles, such as massless Dirac and Weyl fermions

216 ns lead to characteristic resonances--called quasiparticles--such as excitons, dropletons, polarons a

217 ons, either free ions or correlated domains (quasiparticles), take on the role of ions in traditional

218 f crystalline solids by introducing suitable quasiparticles that have an effective mass, spin or char

219 o the unique electronic configuration of the quasiparticles, the strong lattice correlation is unexpe

220 The simplest non-Abelian quasiparticles--the Majorana bound states--can occur in

221 nd present difficulties, of the renormalized quasiparticle theory of metals ("AGD" or Fermi liquid th

222 We use the recently developed critical quasiparticle theory to derive the scaling behavior asso

223 The copper oxide quasiparticles therefore apparently exhibit particle-hol

224 ntum states formed by half-matter half-light quasiparticles, thus connecting the phenomena of atomic

225 In correlated oxides the coupling of quasiparticles to other degrees of freedom such as spin

226 n by an externally applied heat current, the quasiparticles' trajectories may bend, causing a tempera

227 hese results highlight the prominent role of quasiparticle trapping in future development of supercon

228 quasiparticle, and show quantized changes in quasiparticle trapping rate because of individual vortic

229 ically, the coupling between NGBs and Landau quasiparticles vanishes at low energies, leaving the gap

230 ng data for the Fermi surface topography and quasiparticle velocities of Sr(3)Ru(2)O(7), we show that

231 essed because of the symmetries of the Dirac quasiparticles, we show that, when its source is atomic-

232 symmetry, the t 2g manifold is split and the quasiparticle weight is renormalized significantly in th

233 ns--Nambu-Goldstone bosons (NGBs) and Landau quasiparticles--when coupled to one another, which is of

234 , the low-energy electronic states behave as quasiparticles, whereas in one-dimensional systems, even

235 ocess to the composite nature of these heavy quasiparticles, which arises from quantum entanglement o

236 These quasiparticles, which can be optically created with vall

237 characterizing the dispersion of individual quasiparticles, which gives a direct probe of their frac

238 tion of electrons into anyons and chargeless quasiparticles, which in some cases can be Majorana ferm

239 ollective phases emerge, is characterized by quasiparticles whose spin is locked to their valley pseu

240 Non-Abelian anyons are a type of quasiparticle with the potential to encode quantum infor

241 t approach is to bind electrons into bosonic quasiparticles with a photonic component.

242 ifferent dispersion relations indicates that quasiparticles with different group velocity may coexist

243 c flux quanta bind to form complex composite quasiparticles with fractional electronic charge; these

244 latter, unpaired holes behave like coherent quasiparticles with pairing drastically weakened, whose

245 ing a condensed-matter platform for studying quasiparticles with relativistic-like features.

246 connect these two realms, producing bosonic quasiparticles with static dipole moments.

247 are successfully treated as a collection of quasiparticles with weak or no interactions.

248 ough never observed as elementary particles, quasiparticles with Weyl dispersion have recently been e

249 ity correlates with the presence of coherent quasiparticles within the layers.