Former Postdocs

Joined: November 2019
Left: September 2022

Work at QSU

• Cavity-enhanced magnetometer with a spinor Bose–Einstein condensate
  K. Gietka, F. Mivehvar, and Th. Busch
  New J. Phys. 23 043020 (2021)
• Simulating the same physics with two distinct Hamiltonians
  Karol Gietka, Ayaka Usui, Jianqiao Deng, Thomas Busch
  Phys. Rev. Lett. 126, 160402 (2021) Editors' Suggestion
• Inverted harmonic oscillator dynamics of the nonequilibrium phase transition in the Dicke model
  Karol Gietka and Thomas Busch
  Phys. Rev. E 104, 034132 (2021)
• Understanding and Improving Critical Metrology. Quenching Superradiant Light-Matter Systems Beyond the Critical Point
  Karol Gietka, Lewis Ruks, and Thomas Busch
  Quantum 6, 700 (2022)
• Squeezing by Critical Speeding-up. Applications in Quantum Metrology
  Karol Gietka
  Phys. Rev. A 105, 042620 (2022)

Joined: April 2019
Left: May 2021

Work at QSU

• Symmetry breaking in binary Bose-Einstein condensates in the presence of an inhomogeneous artificial gauge field
  S. Sahar S. Hejazi, Juan Polo, Rashi Sachdeva, Thomas Busch
  Phys. Rev. A 102, 053309 (2020) 
• Current production in ring condensates with a weak link
  Axel Pérez-Obiol, Juan Polo, and Taksu Cheon
  Phys. Rev. A 102, 063302 (2020)
• Universal shock-wave propagation in one-dimensional Bose fluids
  Romain Dubessy, Juan Polo, Hélène Perrin, Anna Minguzzi, and Maxim Olshanii
  Phys. Rev. Research 3, 013098 (2021)
• Deep learning based quantum vortex detection in atomic Bose-Einstein condensates
  Friederike Metz, Juan Polo, Natalya Weber, Thomas Busch
  Accepted for publication in Machine Learning: Science and Technology.

Joined: February 2018
Left: March 2021

Work at QSU

• An efficient non-linear Feshbach engine
  Jing Li, Thomás Fogarty, Steve Campbell, Xi Chen, and Thomas Busch
  New J. Phys. 20, 015005 (2018)
• Fast control of interactions in an ultracold two atom system: Managing correlations and irreversibility
  Thomás Fogarty, Lewis Ruks, Jing Li, and Thomas Busch
  SciPost Phys. 6, 021 (2019).
• Driving Interactions Efficiently in a Composite Few-Body System
  Alan Kahan, Thomás Fogarty, Jing Li and Thomas Busch
  Universe 5, 207 (2019)
• Coupled density-spin Bose-Einstein condensates dynamics and collapse in systems with quintic nonlinearity
  Jing Li, Boris A. Malomed, Wenliang Li, Xi Chen, and E. Ya Sherman, 
  Commun. Nonlinear. Sci. Numer. Simulat. 82, 105045 (2020).
• Effects of coherence on quantum speed limits and shortcuts to adiabaticity in many-particle systems
  Tian-Niu Xu, Jing Li, Thomas Busch, Xi Chen, and Thomás Fogarty
  Phys. Rev. Research 2, 023125 (2020).
• A Feshbach engine in the Thomas-Fermi regime
  T. Keller, T. Fogarty, J. Li, and Th. Busch
  Phys. Rev. Research 2, 033335 (2020).
• Time-optimal variational control of bright matter-wave soliton
  Tang-You Huang, Jia Zhang, Jing Li, Xi Chen
  Phys. Rev. A 102,053313 (2020)

Joined: September 2018
Left: December 2020

Work at QSU

• Optomechanical cooling by STIRAP-assisted energy transfer − an alternative route towards the mechanical ground state
  B. Sarma, Th. Busch, and J. Twamley
  New J. Phys. 22 103043 (2020)

Joined: January 2015
Left: February 2019

Work at QSU

• Plasmon modes of a massive Dirac plasma, and their superlattices
  Rashi Sachdeva, Anmol Thakur, Giovanni Vignale, and Amit Agarwal
  Phys. Rev. B 91, 205426 (2015)
• Dynamical polarizability, screening, and plasmons in one, two, and three dimensional massive Dirac systems
  Anmol Thakur, Rashi Sachdeva, and Amit Agarwal
  J. Phys. Condensed Matter 29, 105701 (2017)
• Creating superfluid vortex rings in artificial magnetic fields
  Rashi Sachdeva and Thomas Busch
  Physical Review A 95, 033615 (2017)
• Extended Bose-Hubbard model for two-leg ladder systems in artificial magnetic fields
  Rashi Sachdeva, Manpreet Singh, and Thomas Busch
  Phys. Rev. A 95, 063601 (2017)
• Interaction-induced effects on Bose-Hubbard parameters
  Mark Kremer, Rashi Sachdeva, Albert Benseny, and Thomas Busch
  Phys. Rev. A 96, 063611 (2017)
• Two-leg ladder Bose Hubbard models with staggered fluxes
  Rashi Sachdeva, Friederike Metz, Manpreet Singh, Tapan
  Mishra, Thomas Busch
  Phys. Rev. A 98, 06361 (2018)

Joined: November 2016
Left: November 2018

Work at QSU

• Noise-Free Generation of Bright Matter-Wave Solitons
  M. J. Edmonds, T. P. Billam, S. A. Gardiner, Th. Busch
  Phys. Rev. A 98, 063626 (2018)
• Coherent Impurity Transport in an Attractive Binary Bose-Einstein condensate
  Matthew Edmonds, John Helm, and Thomas Busch
  New. J. Phys. 21, 053019 (2019).

Joined: January 2014
Left: January 2018

Work at QSU

• Moiré superlattice structures in kicked Bose-Einstein condensates
  L. J. O'Riordan, A. C. White, and Th. Busch
  Phys. Rev. A 93, 023609 (2016)
• Emergence of classical rotation in superfluid Bose-Einstein condensates
  Angela White, Tara Hennessy, and Thomas Busch
  Phys. Rev. A 93, 033601(2016)
• Odd-petal-number states and persistent flows in spin-orbit-coupled Bose-Einstein condensates
  Angela C. White, Yongping Zhang, and Thomas Busch
  Phys. Rev. A 95, 041604(R) (2017)

Joined: December 2013
Left: February 2018

Work at QSU

• Applied Bohmian mechanics
  Albert Benseny, Guillermo Albareda, Ángel S. Sanz, Jordi Mompart, Xavier Oriols
  Eur. Phys. J. D 68, 286 (2014)
• Transport of ultracold atoms between concentric traps via spatial adiabatic passage
  Joan Polo, Albert Benseny, Thomas Busch, Verònica Ahufinger, Jordi Mompart
  New J. Phys. 18, 015010 (2016)
• Spatial adiabatic passage via interaction-induced band separation
  A. Benseny, J. Gillet, and Th. Busch
  Phys. Rev. A 93, 033629 (2016)
• Non-adiabatic generation of NOON states in a Tonks--Girardeau gas
  J. Schloss, A. Benseny, J. Gillet, J. Swain, and Th. Busch
  New J. Phys. 18, 035012 (2016)
• Spatial adiabatic passage: a review of recent progress
  R. Menchon-Enrich, A. Benseny, V. Ahufinger, A.D. Greentree, Th. Busch, and J. Mompart
  Rep. Prog. Phys. 79, 074401 (2016)
• Shaken not stirred: creating exotic angular momentum states by shaking an optical lattice
  Anthony Kiely, Albert Benseny, Thomas Busch and Andreas Ruschhaupt
  J. Phys. B: At. Mol. Opt. Phys. 49, 215003 (2016)
• On the classical Schrödinger equation
  Albert Benseny, David Tena and Xavier Oriols
  Fluct. Noise Lett. 15, 1640011 (2016)
• Spatial non-adiabatic passage using geometric phases
  Albert Benseny, Anthony Kiely, Yongping Zhang, Thomas Busch, and Andreas Ruschhaupt
  Eur. Phys. J. Quantum Technol.4:3 (2017)
• Conditions for the classicality of the center of mass of many-particle quantum states
  Xavier Oriols and Albert Benseny
  New J. Phys. 19, 063031 (2017)
• Robust boson dispenser: Quantum state preparation in interacting many-particle systems
  Irina Reshodko, Albert Benseny, and Thomas Busch
  Phys. Rev. A 96, 023606 (2017)
• Fast and robust quantum control based on Pauli blocking 
  T. Dowdall, A. Benseny, Th. Busch, and A. Ruschhaupt
  Phys. Rev. A 96, 043601 (2017)
• Interaction-induced effects on Bose-Hubbard parameters
  Mark Kremer, Rashi Sachdeva, Albert Benseny, and Thomas Busch
  Phys. Rev. A 96, 063611 (2017)
• Entanglement in Spatial Adiabatic Processes for Interacting Atoms
  Albert Benseny, Irina Reshodko, and Thomas Busch
  Few-Body Syst. 59, 48 (2018)
• Topological states in the Kronig-Penney model with arbitrary scattering potentials
  Irina Reshodko, Albert Benseny, Judit Romhányi, Thomas Busch
  New. J. Phys. 21, 013010 (2019)

Joined: 2013
Left: 2016

Work at QSU

• Dicke-type phase transition in a spin-orbit-coupled Bose-Einstin condensate
  Chris Hamner, Chunlei Qu, Yongping Zhang, Jiajia Chang, Ming Gong, Chuanwei Zhang, and Peter Engels 
  Nature Communications 5, 4023 (2014)
• Measurement of collective excitations in a spin-orbit-coupled Bose-Einstein condensate
  M.A. Khamehchi, Y. Zhang, C. Hamner, Th. Busch, and P. Engels
  Phys. Rev. A 90, 063624 (2014)
• Spin-Orbit-Coupled Bose-Einstein Condensates in a One-Dimensional Optical Lattice
  C. Hamner, Yongping Zhang, M. A. Khamehchi, Matthew J. Davis, and P. Engels
  Phys. Rev. Lett. 114, 070401 (2015)
• Gap Solitons in Spin-Orbit-Coupled Bose-Einstein Condensates in Optical Lattices
  Yongping Zhang, Yong Xu, and Th. Busch
  Phys. Rev. A 91, 043629 (2015)
• Bright solitons in a two-dimensional spin-orbit-coupled dipolar Bose-Einstein condensate
  Yong Xu, Yongping Zhang ,and Chuanwei Zhang
  Phys. Rev. A 92, 013633 (2015)

Joined: 2015
Left: 2015

Work at QSU

• Persistent currents in coherently coupled Bose-Einstein condensates in a ring trap
  Marta Abad
  Phys. Rev. A 93, 033603 (2016)

Joined: 2012
Left: 2015

Work at QSU

• Decoherence in two-dimensional quantum walks using four- and two-state particles
  C.M. Chandrashekar and Th. Busch
  J. Phys. A: Math. Theor. 46, 105306 (2013)
• Enhancement of Geometric Phase by Frustration of Decoherence: A Parrondo like Effect
  S. Banerjee, C. M. Chandrashekar and Arun K. Pati
  Phys. Rev. A 87, 042119 (2013)
• Enhancement of Geometric Phase by Frustration of Decoherence: A Parrondo like Effect
  S. Banerjee, C. M. Chandrashekar and Arun K. Pati
  Phys. Rev. A 87, 042119 (2013)
• Two-component Dirac-like Hamiltonian for generating quantum walk on one-, two- and three-dimensional lattices
  C.M. Chandrashekar
  Scientific Reports 3, 2829 (2013)
• Noise-enhanced quantum transport on a closed loop using quantum walks
  C.M. Chandrashekar, Th. Busch,
  Quantum Information Processing volume 13, 1313–1329 (2014)
• Single photons in an imperfect array of beam-splitters: Interplay between percolation, backscattering and transient localization
  C.M. Chandrashekar, S. Melville and Th. Busch
  J. Phys. B: At. Mol. Opt. Phys. 47, 085502 (2014)
• Quantum percolation and transition point of a directed discrete-time quantum walk
  C.M. Chandrashekar and Th. Busch
  Scientific Reports 4, 6583 (2014)
• Localized quantum walks as secured quantum memory
  C.M. Chandrashekar and Th. Busch
  Europhys. Lett. 110, 10005 (2015)
• Limit distributions for different forms of four-state quantum walks on a two-dimensional lattice
  T. Machida, C.M. Chandrashekar, N. Konno, and Th. Busch

  QIC 15, 1248 (2015)

Joined: 2012
Left: 2014

Work at QSU

• Tunneling, self-trapping, and manipulation of higher modes of a Bose-Einstein condensate in a double well
  J. Gillet, M.A. Garcia-March, Th. Busch, and F. Sols,
  Phys. Rev. A 89, 023614 (2014)
• Spatial adiabatic passage via interaction-induced band separation
  A. Benseny, J. Gillet, and Th. Busch
  Phys. Rev. A 93, 033629 (2016)
• Non-adiabatic generation of NOON states in a Tonks--Girardeau gas
  J. Schloss, A. Benseny, J. Gillet, J. Swain, and Th. Busch
  New J. Phys. 18, 035012 (2016)

Joined: 2012
Left: 2013

Work at QSU

• Predominance of entanglement of formation over quantum discord under quantum channels
  Steve Campbell
  Quantum Information Processing 12, 2626-2636 (2013)
• Global quantum correlations in finite-size spin chains
  S. Campbell, L. Mazzola, G. De Chiara, T. J. G. Apollaro, F. Plastina, Th. Busch, and M. Paternostro
  New J. Phys. 15, 043033 (2013)
• Effect of interparticle interaction in a free oscillation atomic interferometer
  T. Fogarty, A. Kiely, S. Campbell, and Th. Busch
  Phys. Rev. A 87, 043630 (2013)
• Criticality, factorization and long-range correlations in the anisotropic XY-model
  S. Campbell, J. Richens, N. Lo Gullo, and Th. Busch
  Phys. Rev. A 88, 062305 (2013)
• Quenching small quantum gases: Genesis of the orthogonality catastrophe
  Steve Campbell, Miguel Ángel García-March, Thomás Fogarty, Thomas Busch
  Phys. Rev. A 90, 013617 (2014)

Joined: 2012
Left: 2013

Work at QSU

• Shaping the evanescent field of optical nanofibers for cold atom trapping
  C.F. Phelan, T. Hennessy, and Th. Busch
  Optics Express 21, 27093 (2013)