Publications
Articles
- Temperature-induced supersolidity in spin-orbit-coupled Bose gases
Rajat, Ritu, Arko Roy, Sandeep Gautam
Phys. Rev. A 109, 033319 (2024)
arXiv:2312.08719 [cond-mat.quant-gas]
- Quantum phases and spectrum of collective modes in a spin-1 BEC with spin-orbital-angular-momentum coupling
Paramjeet Banger, Rajat, Arko Roy, Sandeep Gautam
Phys. Rev. A 108, 043310 (2023)
arXiv:2306.14669 [cond-mat.quant-gas]
- Finite temperature ferromagnetic transition in coherently coupled Bose gases
Arko Roy, Miki Ota, Franco Dalfovo, Alessio Recati
Phys. Rev. A 107, 043301 (2023).
arXiv:2212.12253 [cond-mat.quant-gas]
- Effective potentials in a rotating spin-orbit-coupled spin-1 spinor condensate
Paramjeet Banger, R. Kishor Kumar, Arko Roy, S. Gautam
J. Phys. Cond. Matt. 35, 045401 (2023).
- Oscillating Solitons and AC Josephson Effect in Ferromagnetic Bose-Bose Mixtures
Sebastiano Bresolin, Arko Roy, Gabriele Ferrari, Alessio Recati, Nicolas Pavloff
Phys. Rev. Lett. 130, 220403 (2023).
arXiv:2209.11536 [cond-mat.quant-gas]
- Non-linear response of interacting bosons in a quasiperiodic potential
Debamalya Dutta, Arko Roy, Kush Saha
Phys. Rev. B 107, 035120 (2023).
arXiv:2205.06554 [cond-mat.str-el]
- Collective excitations in cigar-shaped spin-orbit coupled spin-1 Bose-Einstein condensates
Rajat, Arko Roy, Sandeep Gautam
Phys. Rev. A 106, 013304 (2022).
arXiv:2204.06898 [cond-mat.quant-gas]
- FORTRESS: FORTRAN programs to solve coupled Gross-Pitaevskii equations for spin-orbit coupled spin-f Bose-Einstein condensate with spin f = 1 or 2
Paramjeet Banger, Pardeep Kaur, Arko Roy, Sandeep Gautam
Comput. Phys. Commun. 279, 108442 (2022).
arXiv:2011.08892 [cond-mat.quant-gas]
- Quantum-torque-induced breaking of magnetic interfaces in ultracold gases
Arturo Farolfi, Alessandro Zenesini, Dimitris Trypogeorgos, Carmelo Mordini, Albert Gallemì, Arko Roy, Alessio Recati, Giacomo Lamporesi, Gabriele Ferrari
Nat. Phys. 17, 1359 (2021).
arXiv:2011.04271 [cond-mat.quant-gas]
- Finite temperature spin dynamics of a two-dimensional Bose-Bose atomic mixture
Arko Roy, Miki Ota, Alessio Recati, Franco Dalfovo
Phys. Rev. Research 3, 013161 (2021).
arXiv:2010.01933 [cond-mat.quant-gas]
- Non-linear dynamical response of interacting bosons to synthetic electric field
Arko Roy, Soumya Bera, Kush Saha
Phys. Rev. Research 2, 043133 (2020).
arXiv:2003.10253 [cond-mat.quant-gas]
- FORTRESS: FORTRAN programs for solving coupled Gross-Pitaevskii equations for spin-orbit coupled spin-1 Bose-Einstein condensate
Pardeep Kaur, Arko Roy, Sandeep Gautam
Comput. Phys. Commun. 259, 107671 (2021).
arXiv:2002.04365 [cond-mat.quant-gas]
- Design and characterization of a quantum heat pump in a driven quantum gas
Arko Roy, André Eckardt
Phys. Rev. E 101, 042109 (2020).
arXiv:1912.07638 [cond-mat.quant-gas]
- Splitting of singly and doubly quantized composite vortices in two-component Bose-Einstein condensates
Pekko Kuopanportti, Soumik Bandyopadhyay, Arko Roy, D. Angom
Phys. Rev. A 100, 033615 (2019).
arXiv:1808.08223 [cond-mat.quant-gas]
- Interacting bosons in two-dimensional lattices with localized dissipation
Arko Roy, Kush Saha
New J. Phys. 21, 103050 (2019).
arXiv:1808.06505 [cond-mat.quant-gas]
- FACt: FORTRAN toolbox for calculating fluctuations in atomic condensates
Arko Roy, Sukla Pal, S. Gautam, D. Angom, P. Muruganandam
Comput. Phys. Commun. 256, 107288 (2020).
arXiv:1806.01244 [cond-mat.quant-gas]
- Collective modes in multicomponent condensates with anisotropy
Sukla Pal, Arko Roy, D. Angom
J. Phys. B 51, 085302 (2018).
arXiv:1710.06673 [cond-mat.quant-gas]
- Condensates in double-well potential with synthetic gauge potentials and vortex seeding
Rukmani Bai, Arko Roy, D. Angom, P. Muruganandam
Phys. Lett. A 382, 2376 (2018).
arXiv:1705.06493 [cond-mat.quant-gas]
- Dynamics of phase separation in two species Bose-Einstein condensates
with vortices
Soumik Bandyopadhyay, Arko Roy, D. Angom
Phys. Rev. A 96, 043603 (2017).
arXiv:1702.08204 [cond-mat.quant-gas]
- Bifurcations, stability, and mode evolution in segregated condensate mixtures
Sukla Pal, Arko Roy, D. Angom
J. Phys. B 50, 195301 (2017).
arXiv:1612.08798 [cond-mat.quant-gas]
- Finite temperature expansion dynamics of Bose-Einstein condensates
Arko Roy, D. Angom
Phys. Lett. A 381, 2483 (2017).
arXiv:1610.04440 [cond-mat.quant-gas]
- Ramifications of topology and thermal fluctuations in quasi-2D condensates
Arko Roy, D. Angom
J. Phys. B 50, 225301 (2017).
arXiv:1605.03818 [cond-mat.quant-gas]
- Geometry-induced modification of fluctuation spectrum in quasi-two-dimensional condensates
Arko Roy, D. Angom
New J. Phys 18, 083007 (2016).
arXiv:1511.08655 [cond-mat.quant-gas]
- Thermal suppression of phase separation in condensate mixtures
Arko Roy, D. Angom
Phys. Rev. A 92, 011601(R) (2015).
arXiv:1502.00473 [cond-mat.quant-gas]
- Evolution of Goldstone mode in binary condensate mixtures
Arko Roy, S. Gautam, D. Angom
Eur. Phys. J. Sp. topics 224, 571 (2015).
arXiv:1501.03590 [cond-mat.quant-gas]
- Fluctuation driven topological transition of binary condensates in optical lattices
K. Suthar, Arko Roy, D. Angom
Phys. Rev. A 91, 043615 (2015).
arXiv:1412.0405 [cond-mat.quant-gas]
- Fluctuation and interaction induced instability of dark solitons in single and binary condensates
Arko Roy, D. Angom
Phys. Rev. A 90, 023612 (2014).
arXiv:1405.6459 [cond-mat.quant-gas]
- Acoustic radiation from vortex-barrier interaction in atomic Bose-Einstein condensates
K. Suthar, Arko Roy, D. Angom
J. Phys. B 47, 013617 (2014).
arXiv:1312.7811 [cond-mat.quant-gas]
- Finite temperature dynamics of vortices in Bose-Einstein condensates
S. Gautam, Arko Roy, Subroto Mukerjee
Phys. Rev. A 89, 013612 (2014).
arXiv:1309.6205 [cond-mat.quant-gas]
- Goldstone modes and bifurcations in phase-separated binary condensates at finite temperature
Arko Roy, S. Gautam, D. Angom
Phys. Rev. A 89, 013617 (2014).
arXiv:1307.5716 [cond-mat.quant-gas]
- Mode bifurcation in the Rayleigh-Taylor instability of binary condensates
Arko Roy, S. Gautam, D. Angom
arXiv:1210.0381 [cond-mat.quant-gas]