Absence of a BCS-BEC crossover in the cuprate superconductors
We examine key aspects of the theory of the Bardeen–Cooper–Schrieffer (BCS) to Bose–
Einstein condensation (BEC) crossover, focusing on the temperature dependence of the …
Einstein condensation (BEC) crossover, focusing on the temperature dependence of the …
Amperean pairing and the pseudogap phase of cuprate superconductors
PA Lee - Physical Review X, 2014 - APS
The enigmatic pseudogap phase in underdoped cuprate high-T c superconductors has long
been recognized as a central puzzle of the T c problem. Recent data show that the …
been recognized as a central puzzle of the T c problem. Recent data show that the …
Disentangling Cooper-pair formation above the transition temperature from the pseudogap state in the cuprates
T Kondo, Y Hamaya, AD Palczewski, T Takeuchi… - Nature Physics, 2011 - nature.com
The discovery of the pseudogap in the cuprates,, created significant excitement as it was
believed to be a signature of pairing, in some cases above room temperature. Indeed, a …
believed to be a signature of pairing, in some cases above room temperature. Indeed, a …
Tunneling transport of unitary fermions across the superfluid transition
We investigate the transport of a Fermi gas with unitarity-limited interactions across the
superfluid phase transition, probing its response to a direct current (dc) drive through a …
superfluid phase transition, probing its response to a direct current (dc) drive through a …
Spectroscopic Fingerprint of Phase-Incoherent Superconductivity in the Underdoped Bi2Sr2CaCu2O8+δ
J Lee, K Fujita, AR Schmidt, CK Kim, H Eisaki… - Science, 2009 - science.org
A possible explanation for the existence of the cuprate “pseudogap” state is that it is a d-
wave superconductor without quantum phase rigidity. Transport and thermodynamic studies …
wave superconductor without quantum phase rigidity. Transport and thermodynamic studies …
High-field studies of superconducting fluctuations in high- cuprates: Evidence for a small gap distinct from the large pseudogap
We have used large pulsed magnetic fields up to 60 T to suppress the contribution of
superconducting fluctuations (SCFs) to the ab-plane conductivity above T c in a series of …
superconducting fluctuations (SCFs) to the ab-plane conductivity above T c in a series of …
Temperature range of superconducting fluctuations above in YBaCuO single crystals
Microwave absorption measurements in magnetic fields from 0 up to 16 T were used to
determine the temperature range of superconducting fluctuations above the …
determine the temperature range of superconducting fluctuations above the …
Novel magnetic order in the pseudogap state of high- copper oxides superconductors
P Bourges, Y Sidis - Comptes Rendus. Physique, 2011 - comptes-rendus.academie-sciences …
Un des problèmes majeurs des oxydes de cuivre supraconducteurs à haute température
critique est l'origine de la phase pseudogap dans l'état sous-dopé. En utilisant des mesures …
critique est l'origine de la phase pseudogap dans l'état sous-dopé. En utilisant des mesures …
Spectroscopic Imaging Scanning Tunneling Microscopy Studies of Electronic Structure in the Superconducting and Pseudogap Phases of Cuprate High-Tc …
One of the key motivations for the development of atomically resolved spectroscopic imaging
scanning tunneling microscopy (SI-STM) has been to probe the electronic structure of …
scanning tunneling microscopy (SI-STM) has been to probe the electronic structure of …
Phase fluctuations in two-dimensional superconductors and pseudogap phenomenon
XC Wang, Y Qi - Physical Review B, 2023 - APS
We study the phase fluctuations in the normal state of generic two-dimensional
superconducting systems with s-wave pairing. The effect of phase fluctuations of the pairing …
superconducting systems with s-wave pairing. The effect of phase fluctuations of the pairing …