From the 8 of 166 papers with an AI index.
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- University College LondonGB37 papers
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11 papers · 1 filter
Enantiosensitive exceptional points in open chiral systems
Nicola Mayer, Alexander Löhr, Nimrod Moiseyev +2
The paper demonstrates that exceptional points in non‑Hermitian chiral molecular systems are enantiomer‑specific, enabling selective topological population transfer, amplification…
Clifford Hierarchy Stabilizer Codes: Transversal Non-Clifford Gates and Magic
Ryohei Kobayashi, Guanyu Zhu, Po-Shen Hsin
A fundamental problem in fault-tolerant quantum computation is the tradeoff between universality and dimensionality, exemplified by the the Bravyi-König bound for -dimensional…
Current fluctuations in nonequilibrium open quantum systems beyond weak coupling: a reaction coordinate approach
Khalak Mahadeviya, Saulo V. Moreira, Sheikh Parvez Mandal +3
We investigate current fluctuations in open quantum systems beyond the weak-coupling and Markovian regimes, focusing on a coherently driven qubit strongly coupled to a structured b…
Diagnosing chaos with projected ensembles of process tensors
Peter O'Donovan, Neil Dowling, Kavan Modi +1
The process tensor provides a general representation of a quantum system evolving under repeated interventions and is fundamental for numerical simulations of local many-body dynam…
Classical counterparts of shortcuts to adiabaticity in nonlinear dissipative Lagrangian systems
Jincheng Shi, Yicheng Pan, Yue Ban +1
Shortcuts to adiabaticity (STA) were first developed in quantum dynamics to realize rapid transformations with suppressed residual excitations. Here we show how the same idea can b…
Theories with no superluminal signaling have greater information-processing power than theories with no superluminal causation
V. Vilasini, Roger Colbeck
A central goal in the foundations of physics is to understand the structure of physical theories, such as quantum theory, from physical principles. This is often explored by consid…