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PHYSICS LETTERS A, ISSN 0375-9601, 09/2017, Volume 381, Issue 33, pp. 2731 - 2735
The anomalous temperature dependence of the coherent quasiparticle weight below the superconducting transition temperature T-c in high-T-c cuprates, as has... 
Temperature dependence | BI2SR2CACU2O8+DELTA | MEAN FIELD-THEORY | SUPERCONDUCTIVITY | PHYSICS, MULTIDISCIPLINARY | Coherent quasiparticle weight | Competing order | Cuprates | DENSITY | TEMPERATURE | FLUCTUATIONS | COMPETITION | PHOTOEMISSION | VALENCE-BOND STATE | PSEUDOGAP
Journal Article
Physics Letters A, ISSN 0375-9601, 09/2017, Volume 381, Issue 33, pp. 2731 - 2735
The anomalous temperature dependence of the coherent quasiparticle weight below the superconducting transition temperature Tc in high-Tc cuprates, as has been... 
Temperature dependence | Coherent quasiparticle weight | Competing order | Cuprates
Journal Article
Physics Letters, Section A: General, Atomic and Solid State Physics, ISSN 0375-9601, 12/2009, Volume 374, Issue 2, pp. 323 - 325
By comparing the recently obtained superconducting energy gaps from the scanning tunneling microscopy (STM) and the angle-resolved photoemission spectroscopy... 
Quasiparticle spectral weight | Energy gap | Underdoped superconductor | STM | ARPES | PHYSICS, MULTIDISCIPLINARY
Journal Article
Physics Letters A, ISSN 0375-9601, 2009, Volume 374, Issue 2, pp. 323 - 325
By comparing the recently obtained superconducting energy gaps from the scanning tunneling microscopy (STM) and the angle-resolved photoemission spectroscopy... 
Energy gap | Underdoped superconductor | ARPES | Quasiparticle spectral weight | STM
Journal Article
Physics Letters A, ISSN 0375-9601, 2000, Volume 273, Issue 5, pp. 345 - 348
We consider the low binding energy part of ARPES of strongly correlated systems. We map from realistic Anderson-lattice p-d Hamiltonian into spin-fermion... 
Quasiparticle weight and incoherent part | Spectral density | Photoemission | spectral density | BAND MODEL | photoemission | POLARON | quasiparticle weight and incoherent part | PHYSICS, MULTIDISCIPLINARY
Journal Article
Journal of the Physical Society of Japan, ISSN 0031-9015, 11/1994, Volume 63, pp. 3923 - 3926
It is shown that the energy (ε) and momentum (k) dependences of the electron self-energy function Σ(k, ε+i0)≡Σ^R(k, ε) in two-dimension are Im Σ^R(k,... 
Journal Article
Physica C: Superconductivity and its applications, ISSN 0921-4534, 2001, Volume 364, pp. 37 - 42
Photoemission and optical experiments indicate that the transition to superconductivity in cuprates is an `undressing' transition. In photoemission this is... 
Quasiparticle weight | Holes | Spectral weight transfer | Electron–hole asymmetry | Undressing | Electron-hole asymmetry | BI2SR2CACU2O8+DELTA | ENERGY | PHYSICS, APPLIED | ELECTRONS | quasiparticle weight | DIATOMIC MOLECULE | spectral weight transfer | MODEL | CONDUCTIVITY | REPULSION | METAL | SPECTRUM | undressing | holes | HOPPING AMPLITUDES | electron-hole asymmetry
Journal Article
Journal of the Physical Society of Japan, ISSN 0031-9015, 03/2002, Volume 71, Issue 3, pp. 888 - 904
Journal Article
Progress of Theoretical Physics, ISSN 0033-068X, 1998, Volume 100, Issue 1, pp. 205 - 209
The quasiparticle dispersion of an anisotropic two-dimensional Hubbard model with parameters for a paramagnetic metal is studied in order to clarify the nature... 
DENSITY | SPECTRAL WEIGHT | QUASI-PARTICLES | FERMI | APPROXIMATION | PHYSICS, MULTIDISCIPLINARY
Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, ISSN 1050-2947, 11/2009, Volume 80, Issue 5
A single down-spin fermion with an attractive zero-range interaction with a Fermi sea of up-spin fermions forms a polaronic quasiparticle. The associated... 
phase diagrams | variational techniques | CRITICAL FIELD | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | bound states | polarons | OPTICS | wave functions | quasiparticles | PHASE-DIAGRAM | SUPERCONDUCTORS | fermion systems | Physics - Quantum Gases
Journal Article
Physica C: Superconductivity and its applications, ISSN 0921-4534, 2006, Volume 436, Issue 1, pp. 14 - 24
Journal Article
Physica C: Superconductivity and its applications, ISSN 0921-4534, 09/2007, Volume 460-462, pp. 28 - 31
By measuring the low temperature specific heat, the low energy quasi-particle excitation has been derived and analysed in systematically doped La2−xSrxCuO4... 
Low energy quasiparticle excitation | Fermi arc | Superconducting energy scale | Pseudogap | low energy quasiparticle excitation | pseudogap | PHYSICS, APPLIED | ELECTRONIC SPECIFIC-HEAT | QUASI-PARTICLES | LA2-XSRXCUO4 | fermi arc | STATE | superconducting energy scale | VORTEX
Journal Article
Physical Review B - Condensed Matter and Materials Physics, ISSN 1098-0121, 12/2009, Volume 80, Issue 24
Journal Article
Journal of the Physical Society of Japan, ISSN 0031-9015, 2006, Volume 75, Issue 8, pp. 084702 - 1"-"084702-11
Journal Article
Journal of Physics Condensed Matter, ISSN 0953-8984, 08/2017, Volume 29, Issue 38, p. 385501
The question of which non-interacting Green's function 'best' describes an interacting many-body electronic system is both of fundamental interest as well as... 
quasiparticle | many-body greens function | Luttinger-Ward-ab initio calculations | GW approximation | self-energy | PHYSICS, CONDENSED MATTER | ENERGY | GREENS-FUNCTION | COVALENT CRYSTAL | many-body green's function | ab initio calculations | MEAN-FIELD THEORY | DENSITY-FUNCTIONAL APPROXIMATIONS | Luttinger-Ward | SYSTEMS | OXIDES | EXCHANGE | ELECTRONIC-STRUCTURE
Journal Article
PHYSICAL REVIEW B, ISSN 1098-0121, 05/2009, Volume 79, Issue 19
In the two-dimensional organic charge-transfer salts kappa-(BEDT-TTF)(2)Cu[N(CN)(2)]BrxCl1-x a systematic variation in the Br content from x=0 to 0.9 allows us... 
optical conductivity | PHYSICS, CONDENSED MATTER | METAL-INSULATOR-TRANSITION | energy gap | phase diagrams | ELECTRODYNAMICS | BEHAVIOR | charge transfer states | RESISTIVITY | metal-insulator transition | 2-DIMENSIONAL ORGANIC CONDUCTORS | MEAN-FIELD THEORY | CONDUCTIVITY | FERMION SYSTEMS | organic compounds | Fermi liquid | quasiparticles | SUPERCONDUCTORS | ELECTRONIC STATES
Journal Article
Physica C: Superconductivity and its applications, ISSN 0921-4534, 2007, Volume 460, pp. 987 - 988
The doping dependence of the electron spectral function of the electron doped cuprate superconductors is studied within the framework of the kinetic energy... 
Superconducting quasiparticles | Electron spectral function | Electron doped cuprate superconductors | superconducting quasiparticles | electron spectral function | PHYSICS, APPLIED | electron doped cuprate superconductors
Journal Article
Physical Review B - Condensed Matter and Materials Physics, ISSN 1098-0121, 01/2009, Volume 79, Issue 2
Superconducting state is characterized by excitations-Bogoliubov quasiparticles that represent a coherent mixture of electron (-e) and hole (+e) components. We... 
PHYSICS, CONDENSED MATTER | high-temperature superconductors | spectral line intensity | quasiparticles | photoelectron spectra | BCS theory
Journal Article
Condensed Matter Physics, ISSN 1607-324X, 2016, Volume 19, Issue 1, p. 13701
We analyze evolution of the single particle excitation spectrum of the underdoped cuprate superconductors near the anti-nodal region, considering temperatures... 
Superconducting fluctutations | Bogoliubov quasiparticles | Pseudogap | BCS-BEC CROSSOVER | PHYSICS, CONDENSED MATTER | superconducting fluctutations | MODEL | UNDERDOPED BI2SR2CACU2O8+DELTA | PHASE FLUCTUATIONS | pseudogap | PSEUDOGAP STATE | SPECTROSCOPY | SYSTEMS | COOPER PAIRS | HIGH-TEMPERATURE SUPERCONDUCTORS
Journal Article
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