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相关论文: Detecting chiral pairing and topological superflui…

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We study the superconducting transition temperature $T_c$ of the bilayer d-p model with $d_{x^2-y^2}$-wavelike attractive interaction based on the formalism first employed by Nozi\`{e}res and Schmitt-Rink. In the strong coupling regime,…

凝聚态物理 · 物理学 2009-10-31 Shigeru Koikegami , Kosaku Yamada

In classical superconductors an energy gap and phase coherence appear simultaneously with pairing at the transition to the superconducting state. In high-temperature superconductors, the possibility that pairing and phase coherence are…

The ability to differentiate chiral molecules of different handedness is of great importance for chemical and life sciences. Since most of the relevant chiral molecules have their chiral transitions in the UV region, detecting their…

By employing ab initio Migdal-Eliashberg calculations, we predict a 4-fold enhancement of the superconducting critical temperature of MgB$_{2}$ when proximity-coupled to the topological crystal Bi$_{2}$Se$_{3}$. We support this result with…

超导电性 · 物理学 2023-04-05 Krzysztof Kempa , Nakib H. Protik , Tyler Dodge , Claudia Draxl , Michael J. Naughton

Circular dichroism is a technologically important phenomenon contrasting the absorption and resultant emission properties between left- and right-handed circularly polarized light. While the chiral handedness of systems mainly determines…

光学 · 物理学 2023-03-21 Xiuhu Zhao , Jinxing Li , Mingjun Huang , Satoshi Aya

We study the phase-locking transition of two coupled low-dimensional superfluids, either two-dimensional superfluids at finite temperature, or one-dimensional superfluids at zero temperature. We find that the superfluids have a strong…

其他凝聚态物理 · 物理学 2015-06-25 L. Mathey , A. Polkovnikov , A. H. Castro Neto

We propose a simple experimental scheme to realize simultaneously the one-dimensional spin-orbit coupling and the staggered spin-flip in ultracold pseudospin-$1/2$ atomic Fermi gases trapped in square optical lattices. In the absence of…

量子气体 · 物理学 2017-02-22 Y. Deng , T. Shi , H. Hu , L. You , S. Yi

Evidence that the pseudogap (PG) in a near-optimally doped Bi$_2$Sr$_2$CaCu$_2$O$_{8+\delta}$ sample destroys the BCS logarithmic pairing instability [1] raises again the question of the role of the PG in the high-temperature…

超导电性 · 物理学 2015-07-23 T. A. Maier , P. Staar , D. J. Scalapino

We compute the topological phase diagram of 2D tetragonal superconductors for the only possible nodeless pairing channels compatible with that crystal symmetry. Subject to a Zeeman field and spin-orbit coupling, we demonstrate that these…

超导电性 · 物理学 2019-01-24 Santiago Varona , Laura Ortiz , Oscar Viyuela , Miguel Angel Martin-Delgado

Motivated by the strong-correlation phenomenology observed near the superconducting phase in twisted bilayer WSe$_2$, we study multi-orbital $t$-$J$ models that are derived from different parameter regimes. The models contain effective…

超导电性 · 物理学 2025-07-29 Chenyuan Li , Fang Xie , Jennifer Cano , Qimiao Si

We find that the topological phase transition in a chiral ladder is characterized by dramatic signatures in many body entanglement entropy between the legs, close to half-filling. The value of entanglement entropy for various fillings close…

介观与纳米尺度物理 · 物理学 2018-07-18 Ritu Nehra , Devendra Singh Bhakuni , Suhas Gangadharaiah , Auditya Sharma

We study the stability region of the topological superfluid phase in a trapped two-dimensional polarized Fermi gas with spin-orbit coupling and across a BCS-BEC crossover. Due to the competition between polarization, pairing interaction and…

量子气体 · 物理学 2015-03-19 J. Zhou , W. Zhang , W. Yi

We apply a recently-developed low-field technique to inductively measure the critical pair momentum $p_c$ in thin, underdoped films of Y$_{1-x}$Ca$_{x}$Ba$_{2}$Cu$_{3}$O$_{7-\delta}$ and Bi$_{2}$Sr$_{2}$CaCu$_{2}$O$_{8+\delta}$ reflecting a…

超导电性 · 物理学 2015-06-22 John Draskovic , Stanley Steers , Thomas McJunkin , Adam Ahmed , Thomas R. Lemberger

We suggest an experimentally feasible procedure to observe paired and counterflow superfluidity in ultra-cold atom systems. We study the time evolution of one-dimensional mixtures of bosonic atoms in an optical lattice following an abrupt…

量子气体 · 物理学 2015-03-19 Anzi Hu , L. Mathey , Eite Tiesinga , Ippei Danshita , Carl J. Williams , Charles W. Clark

We argue that the strongly coupled quark-gluon plasma formed at LHC and RHIC can be considered as a chiral superfluid. The "normal" component of the fluid is the thermalized matter in common sense, while the "superfluid" part consists of…

高能物理 - 唯象学 · 物理学 2013-02-27 T. Kalaydzhyan

Chirality represents a kind of symmetry breaking characterized by the noncoincidence of an object with its mirror image and has been attracting intense attention in a broad range of scientific areas. The recent realization of spin-orbit…

量子气体 · 物理学 2018-07-27 Wei Han , Xiao-Fei Zhang , Deng-Shan Wang , Hai-Feng Jiang , Wei Zhang , Shou-Gang Zhang

We show that chiral superconductivity can be stabilized by hole doping a Chern ferromagnet. Performing exact diagonalization and density-matrix-renormalization-group calculations on the repulsive Kane-Mele-Hubbard model at hole doping…

超导电性 · 物理学 2026-04-03 Miguel Gonçalves , Kun Yang , Shi-Zeng Lin

The unconventional superconductivity in Sr$_2$RuO$_4$ continues to attract considerable interest. While many measurements can be interpreted on the basis of chiral $p$-wave pairing with intriguing topological character, a number of…

超导电性 · 物理学 2018-03-07 Li-Da Zhang , Wen Huang , Fan Yang , Hong Yao

We analyze pairing in two dimensional spin liquids. We argue that interplane pairing enhanced by magnetic correlations is the most plausible explanation of the spin gap phenomenon observed in underdoped cuprates. The details of the pairing…

凝聚态物理 · 物理学 2009-10-28 B. L. Altshuler , L. B. Ioffe , A. J. Millis

We consider a mixture of single-component bosonic and fermionic atoms in an array of coupled one-dimensional "tubes". For an attractive Bose-Fermi interaction, we show that the system exhibits phase separation instead of the usual collapse.…

其他凝聚态物理 · 物理学 2009-09-05 F. M. Marchetti , Th. Jolicoeur , M. M. Parish