Local density of states in the vortex lattice in a type II superconductor

Abstract

Local density of states (LDOS) in the triangular vortex lattice is investigated based on the quasi-classical Eilenberger theory. We consider the case of an isotropic s-wave superconductor with the material parameter appropriate to NbSe_2. At a weak magnetic field, the spatial variation of the LDOS shows cylindrical structure around a vortex core. On the other hand, at a high field where the core regions substantially overlap each other, the LDOS is sixfold star-shaped structure due to the vortex lattice effect. The orientation of the star coincides with the experimental data of the scanning tunneling microscopy. That is, the ray of the star extends toward the nearest-neighbor (next nearest-neighbor) vortex direction at higher (lower) energy.

10 pages, RevTex, 32 figures

References in corpus (1)

• Star-shaped Local Density of States around Vortices in a Type II Superconductor

Cited by in corpus (44)

• Properties of the Ideal Ginzburg-Landau Vortex Lattice
• Low-lying Quasiparticle Excitations around a Vortex Core in Quantum Limit
• Field dependence of the vortex structure in d-wave and s-wave superconductors
• Symmetry Protected Topological Superfluids and Superconductors --- From the Basics to ${}^3$He ---
• Imaging superconducting vortex core and lattice with the scanning tunneling microscope
• Quasiparticle Density of States of Clean and Dirty s-Wave Superconductors in the Vortex State
• Vortex states in superconductors with strong Pauli-paramagnetic effect
• Field dependence of the zero energy density of states around vortices in an anisotropic gap superconductor
• Theory of vortex excitation imaging via an NMR relaxation measurement
• Effects of gap anisotropy upon the electronic structure around a superconducting vortex
• Two-band superconductors: Extended Ginzburg-Landau formalism by a systematic expansion in small deviation from the critical temperature
• The effect of nonmagnetic impurities on the local density of states in s-wave superconductors
• A Spin Triplet Superconductor UPt${}_3$
• Field dependence of the vortex structure in chiral p-wave superconductors
• Site-selective nuclear magnetic relaxation time in a superconducting vortex state
• Electronic state around vortex in a two-band superconductor
• Vortex state in a Fulde-Ferrell-Larkin-Ovchinnikov superconductor based on the quasiclassical theory
• Quasiclassical theory of superconducting states under magnetic fields: Thermodynamic properties
• Vortex State and Field-Angle Resolved Specific Heat Oscillation for H // ab in d-Wave Superconductors
• Violation of the Pauli-Clogston limit in a heavy Fermion superconductor CeRh${}_2$As${}_2$ --Duality of itinerant and localized 4f electrons--
• Theory of quasiparticle vortex bound states in Fe-based superconductors: application to LiFeAs
• Thermodynamics and magnetic field profiles in low-kappa type-II superconductors
• Volovik effect in a highly anisotropic multiband superconductor: experiment and theory
• Magnetic-Field Dependences of Thermodynamic Quantities in the Vortex State of Type-II Superconductors
• Majorana edge modes of superfluid 3He A-phase in a slab
• Theory of pairing symmetry in Fulde-Ferrell-Larkin-Ovchinnikov vortex state and vortex lattice
• Quasiclassical numerical method for mesoscopic superconductors: bound states in a circular d-wave island with a single vortex
• Anisotropic non-split zero-energy vortex bound states in a conventional superconductor
• Spin imbalance effect on Larkin-Ovchinnikov-Fulde-Ferrel state
• Locking of length scales in two-band superconductors
• Vortex lattice structure in a d_{x^2-y^2}-wave superconductor
• Field Evolution of the Fulde-Ferrell-Larkin-Ovchinnikov State in a Superconductor with Strong Pauli Effects
• Emergent Odd-Frequency Superconducting Order Parameter near Boundaries in Unconventional Superconductors
• Hidden Crossover Phenomena in Strongly Pauli Limited Multiband Superconductors ---Application to CeCu${}_2$Si${}_2$
• Nodal gap detection through polar angle-resolved density of states measurements in uniaxial superconductors
• Violation of the orbital depairing limit in a non-unitary state --on the high field phase in the heavy Fermion superconductor UTe${}_2$--
• Microscopic Eilenberger theory of Fulde-Ferrell-Larkin-Ovchinnikov states in the presence of vortices
• Theoretical studies for identifying horizontal line nodes via angle-resolved density of states measurements ---Application to Sr${}_2$RuO${}_4$---
• Theoretical studies on off-axis phase diagrams and Knight shifts in UTe${}_2$ -- Tetra-critical point, d-vector rotation, and multiple phases
• Origin of spontaneous broken mirror symmetry of vortex lattices in Nb
• Magnetic field distribution and characteristic fields of the vortex lattice for a clean superconducting niobium sample in an external field applied along a three-fold axis
• Quasiclassical analysis of vortex lattice states in Rashba noncentrosymmetric superconductors
• Nodal Superconductivity of UTe${}_2$ Probed by Field-Angle-Resolved Specific Heat on a Crystal with $T_{\mathrm{c}}=2.1$ K
• Charging in the vortex lattice of type-II superconductors