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We study layered systems and heterostructures of s-wave superconductors by means of a suitable generalization of Dynamical Mean-Field Theory. In order to reduce the computational effort, we consider an embedding scheme in which a relatively…

Strongly Correlated Electrons · Physics 2016-06-22 Francesco Petocchi , Massimo Capone

We set the foundation and formulate the Perfect (Ideal) Hyperfluid. The latter represents the natural generalization of the usual perfect fluid structure where now the microscopic characteristics of matter (spin, shear, dilation) are also…

General Relativity and Quantum Cosmology · Physics 2021-05-05 Damianos Iosifidis

We report an investigation of the London penetration depth $\Delta\lambda(T)$ on single crystals of the layered superconductor Ta$_4$Pd$_3$Te$_{16}$, where the crystal structure has quasi-one-dimensional characteristics. A linear…

Superconductivity · Physics 2018-01-15 G. M. Pang , M. Smidman , W. H. Jiao , L. Jiao , Z. F. Weng , W. B. Jiang , C. Y. Guo , Y. Chen , G. H. Cao , H. Q. Yuan

A promising direction for harnessing the laws of quantum mechanics to perform quantum computation is the topological quantum computation, for which topological superconductivity is one of the physical platforms. Intensive theoretical…

Superconductivity · Physics 2022-09-05 Noah F. Q. Yuan , Xiao-Jia Chen

The transition mechanism of metal-insulator in metal oxides is discussed in detail, which is a part of the mechanism of superconductivity. Through the study of magic angle twisted bilayer graphene superconductor and other new findings on…

Superconductivity · Physics 2022-05-24 Yu-Ru Ge , Xin Zhao , Hong Zhao , Xue-Shu Zhao

We consider thermal strongly-coupled N=2 SYM theory with fundamental matter at finite isospin chemical potential. Using gauge/gravity duality, i.e. a probe of two flavor D7-branes embedded in the AdS black hole background, we find a…

High Energy Physics - Theory · Physics 2009-10-16 Martin Ammon , Johanna Erdmenger , Matthias Kaminski , Patrick Kerner

We describe the nature of charge transport at non-zero temperatures ($T$) above the two-dimensional ($d$) superfluid-insulator quantum critical point. We argue that the transport is characterized by inelastic collisions among thermally…

Strongly Correlated Electrons · Physics 2009-10-30 Kedar Damle , Subir Sachdev

Quantum materials with non-trivial band topology and bulk superconductivity are considered superior materials to realize topological superconductivity. In this regard, we report detailed Density Functional Theory (DFT) calculations and Z2…

Superconductivity · Physics 2021-08-24 N. K. Karn , M. M. Sharma , Prince Sharma , Ganesh Gurjar , S. Patnaik , V. P. S. Awana

The observation of superconductivity in hydride-based materials under ultrahigh pressures (for example, H$_3$S and LaH$_{10}$) has fueled the interest in a more data-driven approach to discovering new high-pressure hydride superconductors.…

Materials Science · Physics 2024-06-04 Daniel Wines , Kamal Choudhary

We theoretically investigate superfluidity in a strongly interacting Fermi gas confined to two dimensions at finite temperature. Using a Gaussian pair fluctuation theory in the superfluid phase, we calculate the superfluid density and…

Quantum Gases · Physics 2017-11-15 Brendan C. Mulkerin , Lianyi He , Paul Dyke , Chris J. Vale , Xia-Ji Liu , Hui Hu

In this work, we implement a new London equation module for superconductivity in the GPU-enabled ARTEMIS framework, and couple it to a finite-difference time-domain solver for Maxwell's equations. We apply this two-fluid approach to model a…

Computational Physics · Physics 2023-07-19 Revathi Jambunathan , Zhi Yao , Richard Lombardini , Aaron Rodriguez , Andrew Nonaka

We present a set of experiments to optimize the performance of the noninvasive thermometer based on proximity superconductivity. Current through a standard tunnel junction between an aluminum superconductor and a copper electrode is…

Mesoscale and Nanoscale Physics · Physics 2020-05-06 Bayan Karimi , Danilo Nikolic , Tuomas Tuukkanen , Joonas T. Peltonen , Wolfgang Belzig , Jukka P. Pekola

The breakdown magnetic field is the key parameter which determines the performance of superconducting radio-frequency cavities. This is the maximum field up to which the Meissner state remains stable and in uniform material, it is…

Superconductivity · Physics 2019-01-18 A. E. Koshelev

Candidates for new thermoelectric and superconducting materials, which have narrow band gap and flat bands near band edges, were searched by the high-throughput first-principles calculation from an inorganic materials database. The…

Using a distribution of the Meissner currents over the surface of an infinitely long superconducting slab with a rectangular cross section, the magnetic moment of the slab is calculated, taking into account corrections associated with a…

Superconductivity · Physics 2025-03-11 G. P. Mikitik

Flat electronic bands are counterintuitive: with the electron velocity vanishing, our conventional notions of quasiparticle transport are no longer valid. We here study the quantum transport in the generalized families of perfectly flat…

Strongly Correlated Electrons · Physics 2022-10-04 Alexander Kruchkov

A perfect topological superconductor can be realized by the simultaneous existence of bulk superconductivity along with topological non-trivial surface states. In this article, we report single crystal growth of superconducting binary…

Superconductivity · Physics 2022-06-29 M. M. Sharma , N. K. Karn , Poonam Rani , R. N. Bhowmik , V. P. S. Awana

The experimental determination of the superconducting transition requires the observation of the emergence of zero-resistance and perfect diamagnetism state. Based on the close relationship between superconducting transition temperature…

Superconductivity · Physics 2021-07-07 Sheng-Hai Zhu , Han Qin , Mi Zhong , Dai-He Fan , Xiang-Hui Chang , Yun Wei , Miao Zhang , Tao Zhu , Bin Tang , Fu-Sheng Liu , Qi-Jun Liu

Crystal-graph attention networks have emerged recently as remarkable tools for the prediction of thermodynamic stability and materials properties from unrelaxed crystal structures. Previous networks trained on two million materials…

We discuss standard and tighter upper bounds on the critical temperature $T_c$ of two-dimensional superconductors and superfluids versus particle density n or filling factor $\nu$, under the assumption that the transition from the normal to…

Superconductivity · Physics 2022-03-11 Ting ting Shi , Wei Zhang , C. A. R. Sa de Melo
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