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相关论文: Pseudogap-induced asymmetric tunneling in cuprate …

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The interplay between the superconducting gap and normal-state pseudogap in cuprate superconductors is studied based on the kinetic energy driven superconducting mechanism. It is shown that the interaction between charge carriers and spins…

超导电性 · 物理学 2012-02-27 Shiping Feng , Huaisong Zhao , Zheyu Huang

A theory capable of explaining intrinsic and extrinsic tunnelling conductance in underdoped cuprates has been devised that accounts for the existence of two energy scales, their temperature and doping dependencies. The asymmetry and…

超导电性 · 物理学 2015-05-18 J. Beanland , A. S. Alexandrov

We argue that incoherent pair tunneling in a cuprate superconductor junction with an optimally doped superconducting and an underdoped normal lead can be used to detect the presence of pairing correlations in the pseudogap phase of the…

强关联电子 · 物理学 2009-10-31 Boldizsar Janko , Ioan Kosztin , K. Levin , M. R. Norman , Douglas J. Scalapino

We present an experimental review of the nature of the pseudogap in the cuprate superconductors. Evidence from various experimental techniques points to a common phenomenology. The pseudogap is seen in all high temperature superconductors…

超导电性 · 物理学 2016-08-31 T. Timusk , B. W. Statt

We develop a theory of normal-metal - superconductor (NS) and superconductor - superconductor (SS) tunnelling in bosonic superconductors with strong attractive correlations taking into account coherence effects in single-particle excitation…

超导电性 · 物理学 2015-05-14 A. S. Alexandrov , J. Beanland

The particle-hole asymmetry electronic state of cuprate superconductors and the related doping and temperature dependence of the Fermi arc length are studied based on the kinetic energy driven superconducting mechanism. By taking into…

超导电性 · 物理学 2012-10-25 Huaisong Zhao , Lulin Kuang , Shiping Feng

One of the most essential aspects of cuprate superconductors is a large pseudogap coexisting with a superconducting gap, then some anomalous properties can be understood in terms of the formation of the pseudogap. Within the kinetic energy…

超导电性 · 物理学 2014-05-22 Ling Qin , Jihong Qin , Shiping Feng

The physical origin of cuprate high-temperature superconductor pseudogaps remains debatable. We point out that the indication of such excitation is hidden in the usual expression for the quasiparticle energy. It can be realized on a…

超导电性 · 物理学 2007-05-23 N. Kristoffel

The doping and temperature dependence of the thermodynamic properties in cuprate superconductors is studied based on the kinetic energy driven superconducting mechanism. By considering the interplay between the superconducting gap and…

超导电性 · 物理学 2012-04-20 Huaisong Zhao , Lulin Kuang , Shiping Feng

Motivated by a recent experiment by Bergeal et al., we reconsider incoherent pair tunneling in a cuprate junction formed from an optimally doped superconducting lead and an underdoped normal metallic lead. We study the impact of the…

超导电性 · 物理学 2015-06-12 T. Micklitz , A. Levchenko , M. R. Norman

We describe the spectral properties of underdoped cuprates as resulting from a momentum-dependent pseudogap in the normal state spectrum. Such a model accounts, within a BCS approach, for the doping dependence of the critical temperature…

超导电性 · 物理学 2009-10-31 L. Benfatto , S. Caprara , C. Di Castro

Underdoped cuprate superconductors are believed to be strongly correlated with electronic systems with small phase stiffness leading to a large phase fluctuation region is known as the pseudogap state. With increasing doping it is generally…

超导电性 · 物理学 2025-07-03 Hércules H. Santana and , E. V. L. de Mello

A simple model of cuprate superconductivity with an electron spectrum prepared by doping is developed. The pair-transfer interaction couples the itinerant band with two components ("hot'' and "cold'') of the defect subsystem. There are…

超导电性 · 物理学 2007-05-23 N. Kristoffel , P. Rubin

To this day, high-temperature cuprate superconductors remain an unparalleled platform for studying the competition and coexistence of emergent, static and dynamic, quantum phases of matter exhibiting high transition temperature non-s-wave…

The unclear relationship between cuprate superconductivity and the pseudogap state remains an impediment to understanding the high transition temperature (Tc) superconducting mechanism. Here we employ magnetic-field-dependent scanning…

It has become clear that the anomalous properties of cuprate superconductors are intimately related to the formation of a pseudogap. Within the framework of the kinetic-energy-driven superconducting mechanism, the effect of the pseudogap on…

超导电性 · 物理学 2017-04-26 Pengfei Jing , Yiqun Liu , Huaisong Zhao , Lulin Kuang , Shiping Feng

The anomalous properties of High-$T_{{\rm c}}$ cuprates are investigated both in the normal state and in the superconducting state. In particular, we pay atte ntion to the pseudogap in the normal state and the phase transition from the pse…

强关联电子 · 物理学 2016-08-31 Youichi Yanase , Takanobu Jujo , Kosaku Yamada

So far, the theories of the cuprate pseudogap may be broadly divided into two main schools of though. One is based upon the idea that view the pseudogap as deriving from some of precursor superconductivity. Another assumes that associate…

凝聚态物理 · 物理学 2007-05-23 Ping Lou , Hang-sheng Wu

Superconductivity in cuprates is achieved by doping holes into a correlated charge-transfer insulator. While the correlated character of the parent insulator is now understood, there is no accepted theory for the "normal" state of the doped…

超导电性 · 物理学 2019-04-25 J. M. Tranquada

Superconducting mechanism of cuprates is discussed in the light of the proximity of the Mott insulator. The proximity accompanied by suppression of coherence takes place in an inhomogeneous way in the momentum space in finite-dimensional…

强关联电子 · 物理学 2007-05-23 Masatoshi Imada , Shigeki Onoda
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