2025
- Quantum speed limit for Kirkwood-Dirac quasiprobabilities
Sagar Silva Pratapsi, Sebastian Deffner, and Stefano Gherardini
Quantum Sci. Technol. (accepted) [arXiv:2402.07582] - Topological X-states in a quantum impurity model
Moallison F. Cavalcante, Marcus V. S. Bonança, Eduardo Miranda, and Sebastian Deffner
Phys. Rev. Research 7, L022027 (2025) [arXiv:2501.13914] - Compatibility of quantum measurements and the emergence of classical objectivity
Emery Doucet and Sebastian Deffner
Phys. Rev. A 111, 042217 (2025) [arXiv:2411.10862] - Towards enhanced precision in thermometry with nonlinear qubits
Sebastian Deffner
Quantum Sci. Technol. 10, 025009 (2025) [arXiv:2408.16664]
2024
- Classifying two-body Hamiltonians for Quantum Darwinism
Emery Doucet and Sebastian Deffner
Phys. Rev. X 14, 041064 (2024) [arXiv:2405.00805] - Branching states as the emergent structure of a quantum universe
Akram Touil, Fabio Anza, Sebastian Deffner, and James P. Crutchfield
Quantum 8, 1494 (2024) [arXiv:2208.05497] - Hybrid quantum-classical computation for automatic guided vehicles scheduling
Tomasz Śmierzchalski, Jakub Pawłowski, Artur Przybysz, Łukasz Pawela, Zbigniew Puchała, Mátyás Koniorczyk, Bartłomiej Gardas, Sebastian Deffner, and Krzysztof Domino
Sci. Rep. 14, 21809 (2024) [arXiv:2309.03088] - Operator growth and spread complexity in open quantum systems
Eoin Carolan, Anthony Kiely, Steve Campbell, and Sebastian Deffner
EPL (Europhys. Lett.) 147, 38002 (2024) [arXiv:2404.03529] - Nano-welding of quantum spin-1/2 chains at minimal dissipation
Moallison F. Cavalcante, Marcus V. S. Bonança, Eduardo Miranda, and Sebastian Deffner
Phys. Rev. B 110, 064304 (2024) [arXiv:2404.10074] - Conditional quantum thermometry — enhancing precision by measuring less
Akira Sone, Diogo O. Soares-Pinto, and Sebastian Deffner
Quantum Sci. Technol. 9, 045018 (2024) [arXiv:2304.13595] - Navigating the phase diagram of quantum many-body systems in phase space
Khadija El Hawary, Mohamed Azzouz, Morad El Baz, Sebastian Deffner, Bartłomiej Gardas, and Zakaria Mzaouali
Phys. Rev. E 110, 014120 (2024) [arXiv:2405.02680] -
Energetic cost for speedy synchronization in non-Hermitian quantum dynamics
Maxwell Aifer, Juzar Thingna, and Sebastian Deffner
Phys. Rev. Lett. 133, 020401 (2024) [arXiv:2305.16560] -
Information scrambling — a quantum thermodynamic perspective
Akram Touil and Sebastian Deffner
EPL (Europhys. Lett.) 146, 48001 (2024) [arXiv:2401.05305] -
Quantum information scrambling in two-dimensional Bose-Hubbard lattices
Devjyoti Tripathy, Akram Touil, Bartłomiej Gardas, and Sebastian Deffner
Chaos 34, 043121 (2024) [arXiv:2401.08516]Selected as Featured Article
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Efficiency optimization in quantum computing: balancing thermodynamics and computational performance
Tomasz Śmierzchalski, Zakaria Mzaouali, Sebastian Deffner, and Bartłomiej Gardas
Sci. Rep. 14, 4555 (2024) [arXiv:2307.14022]
Selected as Editor’s Suggestion
Featured article in Physics World
2023
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Pointer states and quantum Darwinism with 2-body interactions
Paul Duruisseau, Akram Touil, and Sebastian Deffner
Entropy 25, 1573 (2023) [arXiv:2309.03299] -
Detailed fluctuation theorem from the one-time measurement scheme
Kenji Maeda, Tharon Holdsworth, Sebastian Deffner, and Akira Sone
Phys. Rev. A. 108, L050203 (2023) [arXiv:2306.09578] -
Exchange fluctuation theorems for strongly interacting quantum pumps
Akira Sone, Diogo O. Soares-Pinto, and Sebastian Deffner
AVS Quantum Sci. 5, 032001 (2023) [arXiv:2209.12927] -
Thermodynamics of quantum information in noisy polarizers
Maxwell Aifer, Nathan M. Myers, and Sebastian Deffner
PRX Quantum 4, 020343 (2023) [arXiv:2212.00651] -
Quantum annealing in the NISQ era: railway conflict management
Krzysztof Domino, Mátyás Koniorczyk, Krzysztof Krawiec, Konrad Jałowiecki, Sebastian Deffner, and Bartłomiej Gardas
Entropy 25, 191 (2023) [arXiv:2112.03674] -
Boosting thermodynamic performance by bending space-time
Emily E. Ferketic and Sebastian Deffner
EPL (Europhys. Lett) 141, 19001 (2023) [arXiv:2210.03652]Selected as Editor’s Choice Article 2023
2022
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Nonlinear speed-ups in ultracold quantum gases
Sebastian Deffner
EPL (Europhys. Lett.) 140, 48001 (2022) [arXiv:2206.13362]Selected as Editor’s Choice Article 2022
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Shortcuts to thermodynamic quasistaticity
Artur Soriani, Eduardo Miranda, Sebastian Deffner, and Marcus V. S. Bonança
Phys. Rev. Lett. 129, 170602 (2022) [arXiv:2206.12445] -
Optimal finite-time processes in weakly driven overdamped Brownian motion
Pierre Nazé, Sebastian Deffner, and Marcus V. S. Bonança
J. Phys. Commun. 6, 083001 (2022) [arXiv:2206.03937] -
Redundantly amplified information suppresses quantum correlations in many-body systems
Davide Girolami, Akram Touil, Bin Yan, Sebastian Deffner, and Wojciech H. Zurek
Phys. Rev. Lett. 129, 010401 (2022) [arXiv:2202.09328] -
Shortcuts in stochastic systems and control of biophysical processes
Efe Ilker, Özenç Güngör, Benjamin Kuznets-Speck, Joshua Chiel, Sebastian Deffner, and Michael Hinczewski
Phys. Rev. X 12, 021048 (2022) [arXiv:2106.07130 and doi.org/10.1101/2021.06.13.448255] - Assessing performance of quantum annealing with non-linear driving
Artur Soriani, Pierre Nazé, Marcus V. S. Bonança, Bartłomiej Gardas, and Sebastian Deffner
Phys. Rev. A 105, 052442 (2022) [arXiv:2203.17009] -
Kibble-Zurek scaling from linear response theory
Pierre Nazé, Marcus V. S. Bonança, and Sebastian Deffner
Entropy 24, 666 (2022) [arXiv:2203.12438] -
From quantum speed limits to energy-efficient quantum gates
Maxwell Aifer and Sebastian Deffner
New J. Phys. 24, 055002 (2022) [arXiv:2202.01839] -
Quantum thermodynamic devices: from theoretical proposals to experimental reality
Nathan M. Myers, Obinna Abah, and Sebastian Deffner
AVS Quantum Sci. 4, 027101 (2022) [arXiv:2201.01740] -
The three phases of quantum annealing: fast, slow, and very slow
Artur Soriani, Pierre Nazé, Marcus V. S. Bonança, Bartłomiej Gardas, and Sebastian Deffner
Phys. Rev. A 105, 042423 (2022) [arXiv:2112.08490] -
Boosting engine performance with Bose-Einstein condensation
Nathan M. Myers, Francisco J. Peña, Oscar Negrete, Patricio Vargas, Gabriele De Chiara, and Sebastian Deffner
New J. Phys. 24, 025001 (2022) [arXiv:2110.14832] -
Fluctuation theorem for irreversible entropy production in electrical conduction
Marcus V. S. Bonança and Sebastian Deffner
Phys. Rev. E 105, L012105 (2022) [arXiv:2110.03381] -
Eavesdropping on the decohering environment: quantum Darwinism, amplification, and the origin of objective classical reality
Akram Touil, Bin Yan, Davide Girolami, Sebastian Deffner, and Wojciech H. Zurek
Phys. Rev. Lett. 128, 010401 (2022) [arXiv:2107.00035] -
Ergotropy from quantum and classical correlations
Akram Touil, Baris Cakmak, and Sebastian Deffner
J. Phys. A: Math. Theor. 55, 025301 (2022) [arXiv:2102.13606]
2021
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Diverging quantum speed limits: a herald of classicality
Pablo M. Poggi, Steve Campbell, and Sebastian Deffner
PRX Quantum 2, 040349 (2021) [arXiv:2107.06318] -
Environment-assisted shortcuts to adiabaticity
Akram Touil and Sebastian Deffner
Entropy 23, 1479 (2021) [arXiv:2110.06681] -
Thermodynamics of statistical anyons
Nathan M. Myers and Sebastian Deffner
PRX Quantum 2, 040312 (2021) [arXiv:2102.02181] -
Quantum Otto engines at relativistic energies
Nathan M. Myers, Obinna Abah, and Sebastian Deffner
New J. Phys. 23, 105001 (2021) [arXiv:2107.10965] -
Quantum and classical ergotropy from relative entropies
Akira Sone and Sebastian Deffner
Entropy 23, 1107 (2021) [arXiv:2103.10850] -
Energetic cost of Hamiltonian quantum gates
Sebastian Deffner
EPL (Europhys. Lett) 134, 40002 (2021) [arXiv:2102.05118]Selected as Editor’s Choice Article 2021
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Quantum Euler relation for local measurements
Akram Touil, Kevin Weber, and Sebastian Deffner
Entropy 23, 889 (2021) [arXiv:2106.04459] -
Quantum heat engines with singular interactions
Nathan M. Myers, Jacob McCready, and Sebastian Deffner
Symmetry 13, 978 (2021) [arXiv:2105.00032] -
Jarzynski equality for conditional stochastic work
Akira Sone and Sebastian Deffner
J. Stat. Phys. 183, 11 (2021) [arXiv:2010.05835] -
Information scrambling vs. decoherence – two competing sinks for entropy
Akram Touil and Sebastian Deffner
PRX Quantum 2, 010306 (2021) [arXiv:2008.05559] -
Negative entropy production rates in Drude-Sommerfeld metals
Marcus V. S. Bonança, Pierre Nazé, and Sebastian Deffner
Phys. Rev. E 103, 012109 (2021) [arXiv:2009.14580] -
Time-rescaling of Dirac dynamics: shortcuts to adiabaticity in ion traps and Weyl semimetals
Agniva Roychowdhury and Sebastian Deffner
Entropy 23, 81 (2021) [arXiv:2012.11763] -
Controlling the speed and trajectory of evolution with counterdiabatic driving
Shamreen Iram, Emily Dolson, Joshua Chiel, Julia Pelesko, Nikhil Krishnan, Özenç Güngör, Benjamin Kuznets-Speck, Sebastian Deffner, Efe Ilker, Jacob G. Scott, and Michael Hinczewski
Nat. Phys. 17, 135 (2021) [arXiv:1912.03764 and doi.org/10.1101/867143]
Selected as one of most Notable Articles in 2021
Featured article with a News & Views
2020
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Thermodynamic control — an old paradigm with new applications
Sebastian Deffner and Marcus V. S. Bonança
EPL (Europhys. Lett.) 131, 20001 (2020) [arXiv:2006.13761]Selected for the Highlights of 2020
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Stochastic thermodynamics of relativistic Brownian motion
P. S. Pal and Sebastian Deffner
New J. Phys. 22, 073054 (2020) [arXiv:2003.02136] -
Kibble-Zurek scaling in quantum speed limits for shortcuts to adiabaticity
Ricardo Puebla, Sebastian Deffner, and Steve Campbell
Phys. Rev. Research 2, 032020(R) (2020) [arXiv:2006.04830] -
Endoreversible Otto engines at maximal power
Zackary Smith, P. S. Pal, and Sebastian Deffner
J. Non-Equilib. Thermodyn. 45, 305 (2020) [arXiv:2003.11093] -
Quantum scrambling and the growth of mutual information
Akram Touil and Sebastian Deffner
Quantum Sci. Technol. 5, 035005 (2020) [arXiv:2002.02867]Recommended by Dr. Susana F. Huelga (editor).
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Orthogonality Catastrophe as a Consequence of the Quantum Speed Limit
Thomás Fogarty, Sebastian Deffner, Thomas Busch, and Steve Campbell
Phys. Rev. Lett. 124, 110601 (2020) [arXiv:1910.10728] -
Quantum speed limits and the maximal rate of information production
Sebastian Deffner
Phys. Rev. Research 2, 013161 (2020) [arXiv:1910.06811] -
Bosons outperform fermions: The thermodynamic advantage of symmetry
Nathan M. Myers and Sebastian Deffner
Phys. Rev. E 101, 012110 (2020) [arXiv:1910.04734]
2019
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Disorder-assisted graph coloring on quantum annealers
Andrzej Więckowski, Sebastian Deffner, and Bartłomiej Gardas
Phys. Rev. A 100, 062304 (2019) [arXiv:1903.07056] -
Non-thermal quantum engine in transmon qubits
Cleverson Cherubim, Frederico Brito, and Sebastian Deffner
Entropy 21, 545 (2019) [arXiv:1810.04226]Selected for the Editor’s Choice Articles
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Quantum to classical transition in an information ratchet
Josey Stevens and Sebastian Deffner
Phys. Rev. E 99, 042129 (2019) [arXiv:1808.02802]
2018
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Quantum fluctuation theorem for error diagnostics in quantum annealers
Bartłomiej Gardas and Sebastian Deffner
Sci. Rep. 8, 17191 (2018) [arXiv:1801.06925] -
Efficiency of harmonic quantum Otto engines at maximal power
Sebastian Deffner
Entropy 20, 875 (2018) [arXiv:1810.09371] -
Minimal dissipation in processes far from equilibrium
Marcus V. S. Bonança and Sebastian Deffner
Phys. Rev. E 98, 042103 (2018) [arXiv:1803.07050] -
Quantum Zeno effect in correlated qubits
Dominik Šafránek and Sebastian Deffner
Phys. Rev. A 98, 032308 (2018) [arXiv:1805.04200] -
Jarzynski equality for driven quantum field theories
Anthony Bartolotta and Sebastian Deffner
Phys. Rev. X 8, 011033 (2018) [arXiv:1710.00829] -
Precision thermometry and the quantum speed limit
Steve Campbell, Marco Genoni, and Sebastian Deffner
Quantum Sci. Technol. 3, 025002 (2018) [arXiv:1709.09672]
2017
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Kibble-Zurek scaling of the irreversible entropy production
Sebastian Deffner
Phys. Rev. E 96, 052125 (2017) [arXiv:1710.03802] -
Demonstration of entanglement assisted invariance on IBM’s Quantum Experience
Sebastian Deffner
Heliyon 3, e00444 (2017) [arXiv:1609.07459]Featured article on La Ciencia de la Mula Francis
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Geometric quantum speed limits: a case for Wigner phase space
Sebastian Deffner
New J. Phys. 19, 103018 (2017) [arXiv:1704.03357] -
Quantum speed limits: from Heisenberg’s uncertainty principle to optimal quantum control
Sebastian Deffner and Steve Campbell
J. Phys. A: Math. Theor. 50, 453001 (2017) [arXiv:1705.08023]Selected for the 2017 Highlights collection
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Fast forward to the classical adiabatic invariant
Christopher Jarzynski, Sebastian Deffner, Ayoti Patra, and Yigit Subasi
Phys. Rev. E 95, 032122 (2017) [arXiv:1611.06437] -
Trade-off between speed and cost in shortcuts to adiabaticity
Steve Campbell and Sebastian Deffner
Phys. Rev. Lett. 118, 100601 (2017) [arXiv:1609.04662]Featured article on phys.org, on ArsTechnica, and on UMBC news
2016
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PT-symmetric slowing-down of decoherence
Bartłomiej Gardas, Sebastian Deffner, and Avadh Saxena
Phys. Rev. A 94, 040101(R) (2016) [arXiv:1607.05778] -
Repeatability of measurements: Non-Hermitian observables and quantum Coriolis force
Bartłomiej Gardas, Sebastian Deffner, and Avadh Saxena
Phys. Rev. A 94, 022121 (2016) [arXiv:1603.00066] -
Quantum work and the thermodynamic cost of quantum measurements
Sebastian Deffner, Juan Pablo Paz, and Wojciech H. Zurek
Phys. Rev. E 94, 010103(R) (2016) [arXiv:1603.06509] -
Foundations of statistical mechanics from symmetries of entanglement
Sebastian Deffner and Wojciech H. Zurek
New J. Phys. 18, 063013 (2016) [arXiv:1504.02797]Selected for the 2016 Highlights collection
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Non-hermitian quantum thermodynamics
Bartłomiej Gardas, Sebastian Deffner, and Avadh Saxena
Sci. Rep. 6, 23408 (2016) [arXiv:1511.06256] -
Shortcuts to adiabaticity: Suppression of pair production in driven Dirac dynamics
Sebastian Deffner
New J. Phys. 18, 012001 (2016) [arXiv:1511.00709]Fast Track Communication and featured with a Perspective: New J. Phys. 18, 021005 (2016)
2015
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Shortcuts to adiabaticity from linear response theory
Thiago V. Acconcia, Marcus V. S. Bonança, and Sebastian Deffner
Phys. Rev. E 92, 042148 (2015) [arXiv:1508.03265] -
Thermodynamic universality of quantum Carnot engines
Bartłomiej Gardas and Sebastian Deffner
Phys. Rev. E 92, 042126 (2015) [arXiv:1503.03455] -
Quantum work statistics of charged Dirac particles in time-dependent fields
Sebastian Deffner and Avadh Saxena
Phys. Rev. E 92, 032137 (2015) [arXiv:1506.09131] -
Environment assisted speed-up of the field evolution in cavity quantum electrodynamics
Andres D. Cimmarusti, Zhihui Yan, Burkley D. Patterson, Luke P. Corcos, Luis A. Orozco, and Sebastian Deffner
Phys. Rev. Lett. 114, 233602 (2015) [arXiv:1503.02591]Featured article in JQI Research News
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Jarzynski equality in PT-symmetric quantum mechanics
Sebastian Deffner and Avadh Saxena
Phys. Rev. Lett. 114, 150601 (2015) [arXiv:1501.06545]
Featured article in LANL Science Highlights - Quantum work distribution for a driven diatomic molecule
Alison Leonard and Sebastian Deffner
Chem. Phys. 446, 18 (2015) [arXiv:1409.0739]
2014
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Interference of identical particles and the quantum work distribution
Zongping Gong, Sebastian Deffner, and Haitao Quan
Phys. Rev. E 90, 062121 (2014) [arXiv:1409.3755] -
Optimal driving of isothermal processes close to equilibrium
Marcus V. S. Bonança and Sebastian Deffner
J. Chem. Phys. 140, 244119 (2014) [arXiv:1404.3953] -
Optimal control of a qubit in an optical cavity
Sebastian Deffner
J. Phys. B: At. Mol. Opt. Phys. 47, 145502 (2014) [arXiv:1404.3137]
Featured article on LabTalk -
Classical and quantum shortcuts to adiabaticity for scale-invariant driving
Sebastian Deffner, Christopher Jarzynski, and Adolfo del Campo
Phys. Rev. X 4, 021013 (2014) [arXiv:1401.1184]
2013
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Information driven current in a quantum Maxwell demon
Sebastian Deffner
Phys. Rev. E 88, 062128 (2013) [arXiv:1310.2292] -
Information processing and the second law of thermodynamics: an inclusive, Hamiltonian approach
Sebastian Deffner and Christopher Jarzynski
Phys. Rev. X 3, 041003 (2013) [arXiv:1308.5001] -
Quantum entropy production in phase space
Sebastian Deffner
EPL (Europhys. Lett) 103, 30001 (2013) [arXiv:1307.3183] -
Energy-time uncertainty relation for driven quantum systems
Sebastian Deffner and Eric Lutz
J. Phys. A: Math. Theor. 46, 335302 (2013) [arXiv:1104.5104]
Selected for the 2013 Highlights collection -
Quantum speed limit for non-Markovian dynamics
Sebastian Deffner and Eric Lutz
Phys. Rev. Lett. 111, 010402 (2013) [arXiv:1302.5069] -
Thermodynamic length for far from equilibrium quantum systems
Sebastian Deffner and Eric Lutz
Phys. Rev. E 87, 022143 (2013) [arXiv:1212.2055]
2012
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Holevo’s bound from a general quantum fluctuation theorem
Dvir Kafri and Sebastian Deffner
Phys. Rev. A 86, 044302 (2012) [arXiv:1207.2978]Quoted article on quantumfrontiers.com
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Single ion heat engine at maximum power
Obinna Abah, Johannes Rossnagel, Georg Jacob, Sebastian Deffner, Ferdinand Schmidt-Kaler, Kilian Singer, and Eric Lutz
Phys. Rev. Lett. 109, 203006 (2012) [arXiv:1205.1362]
Featured article on phys.org
2011
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Nonequilibrium entropy production for open quantum systems
Sebastian Deffner and Eric Lutz
Phys. Rev. Lett. 107, 140404 (2011) [arXiv:1103.4775] - Quantum fluctuation theorems in the strong damping limit
Sebastian Deffner, Michael Brunner, and Eric Lutz
EPL (Europhys. Lett.) 94, 30001 (2011) [arXiv:0902.1858]
2010
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Generalized Clausius inequality for nonequilibrium quantum processes
Sebastian Deffner and Eric Lutz
Phys. Rev. Lett. 105, 170402 (2010) [arXiv:1005.4495] -
Quantum work statistics of linear and nonlinear parametric oscillators
Sebastian Deffner, Obinna Abah, and Eric Lutz
Chem. Phys. 375, 200 (2010) [arXiv:1001.3055]
2008
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Employing trapped cold ions to verify the quantum Jarzynski equality
Gerhard Huber, Ferdinand Schmidt-Kaler, Sebastian Deffner, and Eric Lutz
Phys. Rev. Lett. 101, 070403 (2008) [arXiv:0808.0334] -
Nonequilibrium work distribution of a quantum harmonic oscillator
Sebastian Deffner and Eric Lutz
Phys. Rev. E 77, 021128 (2008) [arXiv:0711.3914]