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We do more discussions of holographic s-wave superconductors in the background of AdS3 spacetime. We analytically compute the holographic superconductor model with the motion equation has two different characteristic root on the framework…

High Energy Physics - Theory · Physics 2020-07-14 Liancheng Wang , Feng He

We study a system of a complex charged scalar coupled to a Reissner-Nordstrom black hole in 3+1 dimensional anti-de Sitter spacetime, neglecting back-reaction. With suitable boundary conditions, the cases of a neutral and purely electric…

High Energy Physics - Theory · Physics 2008-11-26 Tameem Albash , Clifford V. Johnson

Integrating 2D materials into circuit quantum electrodynamics (c-QED) devices is an emerging filed in recent years. This integration not only facilitates the exploration of potential applications in quantum information processing but also…

A Superconducting Quantum Interference Device (SQUID) inserted in a superconducting waveguide resonator imposes current and voltage boundary conditions that makes it suitable as a tuning element for the resonator modes. If such a SQUID…

Quantum Physics · Physics 2015-03-10 Christian Kraglund Andersen , Klaus Mølmer

Superconducting metamaterials, which are designed and fabricated with structured fundamental circuit elements, have motivated recent developments of exploring unconventional quantum phenomena in circuit quantum electrodynamics…

Quantum Physics · Physics 2023-02-16 Xin Wang , Ya-Fen Lin , Jia-Qi Li , Wen-Xiao Liu , Hong-Rong Li

We explore QCD phase diagram by constructing a holographic QCD model using the Einstein-Maxwell-Scalar system. The chiral transition is investigated by adding a probe scalar and confinement transition is studied by adding a probe string…

High Energy Physics - Theory · Physics 2022-06-08 Yi Yang , Pei-Hung Yuan

We have fabricated arrays of High-T$_c$ Superconducting Quantum Interference Devices (SQUIDs) with randomly distributed loop sizes as sensitive antennas for Radio-Frequency (RF) waves. These sub-wavelength size devices known as…

In easy-plane magnets, the spin superfluid phase was predicted to facilitate coherent spin transport. So far, experimental evidence remains elusive. In this Letter, we propose an indirect way to sense this effect via the spin superfluid…

Mesoscale and Nanoscale Physics · Physics 2025-09-22 Yanyan Zhu , Eric Kleinherbers , Leonid Levitov , Yaroslav Tserkovnyak

We generalize the concept of holography for the color superconductivity (CSC) phase by considering $d$-dimensional Anti de Sitter (AdS) space instead of the traditional 6 dimensions. The corresponding dual field theory is an arbitrary…

High Energy Physics - Theory · Physics 2025-05-27 Nguyen Hoang Vu

Nano-fabricated superconducting quantum interference device (nano-SQUID) is a direct and sensitive flux probe useful for magnetic imaging of quantum materials and mesoscopic devices. Enabled by functionalities of superconductive integrated…

Instrumentation and Detectors · Physics 2025-05-23 B. K. Xiang , S. Y. Wang , Y. F. Wang , J. J. Zhu , H. T. Xu , Y. H. Wang

We construct the gravitational solution of the Witten-Sakai-Sugimoto model by introducing a magnetic field on the flavor brane. With taking into account their backreaction, we re-solve the type IIA supergravity in the presence of the…

High Energy Physics - Theory · Physics 2017-10-04 Si-wen Li , Tuo Jia

Superconducting Quantum Interference Devices (SQUIDs) can have excellent spin sensitivity depending on their magnetic flux noise, pick-up loop diameter, and distance from the sample. We report a family of scanning SQUID susceptometers with…

Holographic s-wave superconductors in the framework of nonlinear Born - Infeld-type electrodynamics is investigated in the background of Schwarzschild anti-de Sitter black holes. As particular cases, at some model parameters, we obtain…

High Energy Physics - Theory · Physics 2019-05-22 S. I. Kruglov

It is known that a classical SU(2) Einstein-Yang-Mills theory in 3+1 dimensional anti-de Sitter spacetime can provide a holographic dual to a 2+1 dimensional time reversal symmetry breaking superconductor with a pseudogap. We study the…

High Energy Physics - Theory · Physics 2009-09-02 Huabi Zeng , Zheyong Fan , Zhongzhou Ren

We construct effective field theory for SU(2) isospin charge diffusion, based on holographic Schwinger-Keldysh contour arXiv:2008.01269. The holographic model consists of a probe SU(2) gauge field in a doubled Schwarzschild-AdS$_5$…

High Energy Physics - Theory · Physics 2022-09-14 Yanyan Bu , Xiyang Sun , Biye Zhang

Nanoscale superconducting quantum interference devices (SQUIDs) demonstrate record sensitivities to small magnetic moments, but are typically sensitive only to the field component that is normal to the plane of the SQUID and out-of-plane…

We study a 2+1 dimensional model of superconductors using a 3+1 dimensional gravitational dual theory of a black hole coupled to a scalar field, with negative cosmological constant. In the presence of finite temperature T and a background…

High Energy Physics - Theory · Physics 2009-06-05 Tameem Albash , Clifford V. Johnson

It was recently experimentally proved that the superconducting counterpart of a diode, i.e., a device that realizes nonreciprocal Cooper pairs transport, can be realized by breaking the spatial and time-reversal symmetry of a system…

Superconductivity · Physics 2023-09-13 Angelo Greco , Quentin Pichard , Francesco Giazotto

We propose a superconducting circuit platform for simulating spin-1 models. To this purpose we consider a chain of N ultrastrongly coupled qubit-resonator systems interacting through a grounded SQUID. The anharmonic spectrum of the…

Quantum Physics · Physics 2018-02-07 F. Albarrán-Arriagada , L. Lamata , E. Solano , G. Romero , J. C. Retamal

We report the fabrication and characterization of superconducting quantum interference devices (SQUIDs) made of Sb-doped Bi2Se3 topological insulator (TI) nanoribbon (NR) contacted with PbIn superconducting electrodes. When an external…

Mesoscale and Nanoscale Physics · Physics 2020-10-06 Nam-Hee Kim , Hong-Seok Kim , Yasen Hou , Dong Yu , Yong-Joo Doh