English
Related papers

Related papers: Energy-Dependent LDOS Modulation in Cuprate Superc…

200 papers

In quantum dot (QD) electron transport experiments additional features can appear in the differential conductance $dI/dV$ that do not originate from discrete states in the QD, but rather from a modulation of the density-of-states (DOS) in…

Two-level system (TLS) defects in dielectrics cause decoherence in superconducting circuits, yet their origin, frequency distribution, and dipole moments remain poorly understood. Current probes, primarily based on qubits or resonators,…

An ordered $d$-density wave (DDW) state has been proposed as an explanation of the pseudogap phase in underdoped high-temperature superconductors. The staggered currents associated with this order have signatures which are qualitatively…

Superconductivity · Physics 2009-11-07 Sudip Chakravarty , Hae-Young Kee , Chetan Nayak

In the last years there have been measurements of energy independent modulations in underdoped cuprates via scanning tunelling microscopy. These modulations of around 4 lattice constants occur near vortex cores in samples with and without…

Superconductivity · Physics 2007-05-23 Zaira Nazario , David I. Santiago

The effect of proximity to a Mott insulating phase on the charge transport properties of a superconductor is determined. An action describing the low energy physics is formulated and different scenarios for the approach to the Mott phase…

Strongly Correlated Electrons · Physics 2009-11-07 L. B. Ioffe , A. J. Millis

We show that the local density of states (LDOS) of a wide class of tight-binding models has a weak body-order expansion. Specifically, we prove that the resulting body-order expansion for analytic observables such as the electron density or…

Mathematical Physics · Physics 2022-07-20 Jack Thomas , Huajie Chen , Christoph Ortner

The presence of different electronic orders other than superconductivity populating the phase diagram of cuprates suggests that they might be the key to disclose the mysteries of this class of materials. In particular charge order in the…

Superconductivity · Physics 2021-09-15 Riccardo Arpaia , Giacomo Ghiringhelli

In this Letter we discuss various properties of the local density of states (DOS) for a superconductor-ferromagnet hybrid system. The DOS is modified at small energies on both sides of the interface. Due to the interplay of…

Condensed Matter · Physics 2009-10-31 Rosario Fazio , Carlo Lucheroni

Recent experiments on disordered superconductors find that the superfluid density $n_s(T)$ decreases dramatically and characteristically with disorder, differently from what is expected for a mean order parameter field or BCS, amplitude…

Superconductivity · Physics 2020-07-15 Sudhansu S. Mandal , T. V. Ramakrishnan

Microwave properties of High Temperature Superconductors (HTS) exhibit dependence on RF power levels. Effects of nonlinear phenomena causing this dependence can be modelled using lumped element circuits. Several RLC circuits to model the…

Superconductivity · Physics 2012-07-24 Dimitri O. Ledenyov , Janina E. Mazierska , Greg Allen , Mohan V. Jacob

We report an efficient quantum algorithm for estimating the local density of states (LDOS) on a quantum computer. The LDOS describes the redistribution of energy levels of a quantum system under the influence of a perturbation. Sometimes…

Quantum Physics · Physics 2009-11-10 Joseph Emerson , Seth Lloyd , David Poulin , David Cory

Unconventional superconductors that spontaneously break space-group symmetries of their underlying crystal lattice are distinguished by spatial modulations of the superconducting order parameter. These states have recently captured…

Superconductivity is caused by the interaction between electrons by the exchange of collective bosonic excitations, however, this bosonic glue forming electron pairs is manifested itself by the coupling strength of the electrons to…

Superconductivity · Physics 2019-09-27 Yingping Mou , Yiqun Liu , Shuning Tan , Shiping Feng

We study the dependence of the electronic density of states (DOS) on the distance from the boundary for a ferromagnet/superconductor bilayer. We calculate the electron density of states in such structure taking into account the two-band…

Other Condensed Matter · Physics 2009-11-10 D. Gusakova , A. Vedyayev , O. Kotelnikova , N. Ryzhanova , A. Buzdin

In long-wavelength moir\'e superlattices of stacked transition metal dichalcogenides (TMDs), structural reconstruction ubiquitously occurs, which has reported to impact significantly their electronic properties. However, complete…

Mesoscale and Nanoscale Physics · Physics 2022-03-28 Kai-Hui Li , Fei-Ping Xiao , Wen Guan , Yu-Long Xiao , Chang Xu , Jin-Ding Zhang , Chen-Fang Lin , Dong Li , Qing-Jun Tong , Si-Yu Li , An-Lian Pan

Recent scanning tunneling microscopy measurements of the proximity effect in Au/La$_{2-x}$Sr$_{x}$CuO$_{4}$ and La$_{1.55}$Sr$_{0.45}$CuO$_{4}$/La$_{2-x}$Sr$_{x}$CuO$_{4}$ bilayers showed a proximity-induced pseudogap [Yuli et al., Phys.…

Superconductivity · Physics 2010-10-12 Guo-Qiao Zha , Lucian Covaci , Shi-Ping Zhou , F. M. Peeters

Theoretical studies of disordered $d$-wave superconductors have focused, with a few exceptions, on optimally doped models with strong scatterers. Addressing recent controversies about the nature of the overdoped cuprates, however, requires…

Superconductivity · Physics 2024-07-29 Mainak Pal , Andreas Kreisel , W. A. Atkinson , P. J. Hirschfeld

We calculate within a mean-field theory the spectral signatures of various striped d-wave superconducting phases. We consider both in-phase and anti-phase modulations of the superconducting order across a stripe boundary, and the effects of…

Superconductivity · Physics 2009-11-13 Shirit Baruch , Dror Orgad

The joint density of states (JDOS) of Bi2Sr2CaCu2O8+x is calculated by evaluating the autocorrelation of the single particle spectral function A(k,omega) measured from angle resolved photoemission spectroscopy (ARPES). These results are…

Superconductivity · Physics 2009-11-11 K. McElroy , G. -H. Gweon , S. Y. Zhou , J. Graf , S. Uchida , H. Eisaki , H. Takagi , T. Sasagawa , D. -H. Lee , A. Lanzara

Cuprate materials hosting high-temperature superconductivity (HTS) also exhibit various forms of charge and/or spin ordering whose significance is not fully understood. To date, static charge-density waves (CDWs) have been detected by…

Superconductivity · Physics 2015-06-12 Darius H. Torchinsky , Fahad Mahmood , Anthony T. Bollinger , Ivan Božović , Nuh Gedik