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Research Output 2000 2019

2019

Detecting Majorana modes through Josephson junction ring-quantum dot hybrid architectures

Rodríguez-Mota, R., Vishveshwara, S. & Pereg-Barnea, T., May 2019, In : Journal of Physics and Chemistry of Solids. 128, p. 179-187 9 p.

Research output: Contribution to journalArticle

Laser modes
Josephson junctions
Semiconductor quantum dots
quantum dots
periodic variations

Quasinormal Modes and the Hawking-Unruh Effect in Quantum Hall Systems: Lessons from Black Hole Phenomena

Hegde, S. S., Subramanyan, V., Bradlyn, B. & Vishveshwara, S., Oct 11 2019, In : Physical review letters. 123, 15, 156802.

Research output: Contribution to journalArticle

saddles
scattering
commonality
bears
harmonic oscillators

Revisiting 2π phase slip suppression in topological Josephson junctions

Rodríguez-Mota, R., Vishveshwara, S. & Pereg-Barnea, T., Jan 30 2019, In : Physical Review B. 99, 2, 024517.

Research output: Contribution to journalArticle

Josephson junctions
slip
Physics
retarding
Fermions

Thermal radiation as a probe of one-dimensional electron liquids

Degottardi, W., Gullans, M. J., Hegde, S., Vishveshwara, S. & Hafezi, M., Jun 11 2019, In : Physical Review B. 99, 23, 235124.

Research output: Contribution to journalArticle

Heat radiation
thermal radiation
Electrons
probes
Liquids
2018

Interplay of Anderson localization and quench dynamics

Rahmani, A. & Vishveshwara, S., Jun 11 2018, In : Physical Review B. 97, 24, 245116.

Research output: Contribution to journalArticle

Momentum
Hinges
disorders
momentum
hinges

Static and dynamic properties of shell-shaped condensates

Sun, K., Padavić, K., Yang, F., Vishveshwara, S. & Lannert, C., Jul 10 2018, In : Physical Review A. 98, 1, 013609.

Research output: Contribution to journalArticle

dynamic characteristics
condensates
Bose-Einstein condensates
hollow
microgravity

Topological phases, edge modes, and the Hofstadter butterfly in coupled Su-Schrieffer-Heeger systems

Padavić, K., Hegde, S. S., Degottardi, W. & Vishveshwara, S., Jul 27 2018, In : Physical Review B. 98, 2, 024205.

Research output: Contribution to journalArticle

Ladders
ladders
Phase diagrams
Fermions
phase diagrams
2017

Fermion parity flips and Majorana bound states at twist defects in superconducting fractional topological phases

Khan, M. N., Teo, J. C. Y., Hughes, T. L. & Vishveshwara, S., May 9 2017, In : Physical Review B. 95, 20, 205112.

Research output: Contribution to journalArticle

Fermions
parity
fermions
Defects
defects

Physics of hollow Bose-Einstein condensates

Padavić, K., Sun, K., Lannert, C. & Vishveshwara, S., Oct 2017, In : EPL. 120, 2, 20004.

Research output: Contribution to journalArticle

Bose-Einstein condensates
hollow
physics
condensates
breathing
2016

Majorana wave-function oscillations, fermion parity switches, and disorder in Kitaev chains

Hegde, S. S. & Vishveshwara, S., Sep 30 2016, In : Physical Review B. 94, 11, 115166.

Research output: Contribution to journalArticle

Fermions
Wave functions
Ground state
parity
switches

Topologically induced fermion parity flips in superconductor vortices

Teo, J. C. Y., Khan, M. N. & Vishveshwara, S., Jun 22 2016, In : Physical Review B. 93, 24, 245144.

Research output: Contribution to journalArticle

Fermions
Superconducting materials
parity
Vortex flow
fermions
2015

Quantum Kibble-Zurek physics in the presence of spatially correlated dissipation

Nalbach, P., Vishveshwara, S. & Clerk, A. A., Jul 31 2015, In : Physical Review B - Condensed Matter and Materials Physics. 92, 1, 014306.

Research output: Contribution to journalArticle

baths
dissipation
Physics
Defects
physics

Quench dynamics and parity blocking in Majorana wires

Hegde, S., Shivamoggi, V., Vishveshwara, S. & Sen, D., May 22 2015, In : New Journal of Physics. 17, 5, 053036.

Research output: Contribution to journalArticle

parity
wire
ground state
fermions
wicks
2014
Electric currents
electric current
Magnets
torque
Torque

Topological blocking in quantum quench dynamics

Kells, G., Sen, D., Slingerland, J. K. & Vishveshwara, S., Jun 26 2014, In : Physical Review B - Condensed Matter and Materials Physics. 89, 23, 235130.

Research output: Contribution to journalArticle

sectors
Ground state
Hamiltonians
Fermions
Electron energy levels
2013

Charge fractionalization in a mesoscopic ring

Degottardi, W., Lal, S. & Vishveshwara, S., Jan 8 2013, In : Physical review letters. 110, 2, 026402.

Research output: Contribution to journalArticle

rings
profiles
electron tunneling
quantum wires
magnetic fields

Majorana fermions in superconducting 1D systems having periodic, quasiperiodic, and disordered potentials

Degottardi, W., Sen, D. & Vishveshwara, S., Apr 5 2013, In : Physical review letters. 110, 14, 146404.

Research output: Contribution to journalArticle

fermions
phase diagrams
equations of motion
physics
Superconducting wire
Fermions
fermions
wire
symmetry
Superconducting materials
Magnetization
magnetization
Physics
Scattering
2012
Optical lattices
Optical Lattice
Bosons
Hexagonal Lattice
Physics
Superconducting materials
wire
Wire
Polarization
Transport properties
Josephson effect
Magnetization
magnetization
Tunnel junctions
Electric potential
Spin density waves
Chemical potential
Spin Hall effect
Quantum Hall effect
Liquids

Quenching across quantum critical points in periodic systems: Dependence of scaling laws on periodicity

Thakurathi, M., Degottardi, W., Sen, D. & Vishveshwara, S., Apr 12 2012, In : Physical Review B - Condensed Matter and Materials Physics. 85, 16, 165425.

Research output: Contribution to journalArticle

Scaling laws
Time varying systems
scaling laws
periodic variations
Quenching
quantum Hall effect
tunnel junctions
folding
insulators
physics
2011

A bit of both

Vishveshwara, S., Jun 2011, In : Nature Physics. 7, 6, p. 450-451 2 p.

Research output: Contribution to journalArticle

Global geometric entanglement in transverse-field XY Spin Chains: Finite and infinite systems

Tzu-Chieh, W., Vishveshwara, S. & Goldbart, P. M., Mar 1 2011, In : Quantum Information and Computation. 11, 3-4, p. 326-354 29 p.

Research output: Contribution to journalArticle

Spin Chains
Infinite Systems
Entanglement
Ground state
Phase diagrams

Oscillatory pairing of fermions in spin-split traps

Sun, K., Meyer, J. S., Sheehy, D. E. & Vishveshwara, S., Mar 11 2011, In : Physical Review A - Atomic, Molecular, and Optical Physics. 83, 3, 033608.

Research output: Contribution to journalArticle

fermions
traps
trapping
phase diagrams
signatures
Superconducting materials
Vortex flow
vortices
interference
P waves

Topological phases, Majorana modes and quench dynamics in a spin ladder system

DeGottardi, W., Sen, D. & Vishveshwara, S., Jun 1 2011, In : New Journal of Physics. 13, 065028.

Research output: Contribution to journalArticle

ladders
tuning
vortices
equivalence
critical point
2010

Accessing nanotube bands via crossed electric and magnetic fields

Degottardi, W., Wei, T. C., Fernández, V. & Vishveshwara, S., Oct 7 2010, In : Physical Review B - Condensed Matter and Materials Physics. 82, 15, 155411.

Research output: Contribution to journalArticle

Nanotubes
nanotubes
Electric fields
Magnetic fields
electric fields

Correlations and beam splitters for quantum Hall anyons

Vishveshwara, S. & Cooper, N. R., May 27 2010, In : Physical Review B - Condensed Matter and Materials Physics. 81, 20, 201306.

Research output: Contribution to journalArticle

Quantum optics
Bosons
Fermions
saddles
beam splitters

Quenching across quantum critical points: Role of topological patterns

Sen, D. & Vishveshwara, S., Sep 1 2010, In : EPL. 91, 6, 66009.

Research output: Contribution to journalArticle

critical point
sectors
quenching
ladders
occupation

Random network behaviour of protein structures

Brinda, K. V., Vishveshwara, S. & Vishveshwara, S., Feb 8 2010, In : Molecular BioSystems. 6, 2, p. 391-398 8 p.

Research output: Contribution to journalArticle

Proteins
Amino Acids
2009

Probing condensate order in deep optical lattices

Sun, K., Lannert, C. & Vishveshwara, S., Apr 1 2009, In : Physical Review A - Atomic, Molecular, and Optical Physics. 79, 4, 043422.

Research output: Contribution to journalArticle

condensates
confining
radio frequencies
bosons
signatures

Transverse-field-induced effects in carbon nanotubes

Degottardi, W., Wei, T. C. & Vishveshwara, S., May 1 2009, In : Physical Review B - Condensed Matter and Materials Physics. 79, 20, 205421.

Research output: Contribution to journalArticle

Carbon Nanotubes
Band structure
Carbon nanotubes
carbon nanotubes
Spin density waves

Understanding protein structure from a percolation perspective

Deb, D., Vishveshwara, S. & Vishveshwara, S., Sep 16 2009, In : Biophysical journal. 97, 6, p. 1787-1794 8 p.

Research output: Contribution to journalArticle

Amino Acid Sequence
Proteins
Peptides
2008

Double-gap superconducting proximity effect in armchair carbon nanotubes

Le Hur, K., Vishveshwara, S. & Bena, C., Jan 15 2008, In : Physical Review B - Condensed Matter and Materials Physics. 77, 4, 041406.

Research output: Contribution to journalArticle

Carbon Nanotubes
Nanotubes
Carbon nanotubes
carbon nanotubes
Superconductivity

Josephson physics mediated by the Mott insulating phase

Vishveshwara, S. & Lannert, C., Nov 14 2008, In : Physical Review A - Atomic, Molecular, and Optical Physics. 78, 5, 053620.

Research output: Contribution to journalArticle

spherical shells
dynamic characteristics
physics
estimates
atoms

Quasiparticle propagation in quantum Hall systems

Sen, D., Stone, M. & Vishveshwara, S., Mar 24 2008, In : Physical Review B - Condensed Matter and Materials Physics. 77, 11, 115442.

Research output: Contribution to journalArticle

Statistics
propagation
Scattering
Impurities
statistics
2007

Coexistence of superfluid and Mott phases of lattice bosons

Barankov, R. A., Lannert, C. & Vishveshwara, S., Jun 21 2007, In : Physical Review A - Atomic, Molecular, and Optical Physics. 75, 6, 063622.

Research output: Contribution to journalArticle

bosons
condensates
interlayers
lattice parameters
critical temperature

Correlators and fractional statistics in the quantum hall bulk

Vishveshwara, S., Stone, M. & Sen, D., Nov 5 2007, In : Physical review letters. 99, 19, 190401.

Research output: Contribution to journalArticle

correlators
statistics
signatures
exclusion
tunnels

Dynamics of condensate shells: Collective modes and expansion

Lannert, C., Wei, T. C. & Vishveshwara, S., Jan 25 2007, In : Physical Review A - Atomic, Molecular, and Optical Physics. 75, 1, 013611.

Research output: Contribution to journalArticle

condensates
expansion
traps
display devices
breathing
Statistics
statistics
Fluids
fluids
Vortex flow
2005

Global entanglement and quantum criticality in spin chains

Wei, T. C., Das, D., Mukhopadyay, S., Vishveshwara, S. & Goldbart, P. M., Jun 1 2005, In : Physical Review A - Atomic, Molecular, and Optical Physics. 71, 6, 060305.

Research output: Contribution to journalArticle

phase diagrams

Localization in disordered superconducting wires with broken spin-rotation symmetry

Gruzberg, I. A., Read, N. & Vishveshwara, S., Jun 15 2005, In : Physical Review B - Condensed Matter and Materials Physics. 71, 24, 245124.

Research output: Contribution to journalArticle

Superconducting wire
Fokker Planck equation
wire
symmetry
Supersymmetry

Signatures of fractional statistics in noise experiments in quantum hall fluids

Kim, E. A., Lawler, M., Vishveshwara, S. & Fradkin, E., Oct 21 2005, In : Physical review letters. 95, 17, 176402.

Research output: Contribution to journalArticle

signatures
statistics
vortices
fluids
bunching
bosons
insulators
sweep frequency
probes
monatomic gases
2004

Cooper-pair tunneling in junctions of singlet quantum hall states and superconductors

Kim, E. A., Vishveshwara, S. & Fradkin, E., Dec 31 2004, In : Physical review letters. 93, 26 I, 266803.

Research output: Contribution to journalArticle

degrees of freedom
boundary conditions
formalism
physics
fluids