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Showing 1–8 of 8 results
Advanced filters: Author: Nicole Yunger Halpern Clear advanced filters

  • A central concept in thermodynamics is the thermal state, which is the one towards which the system relaxes. Here, the authors derive the same state, through three different approaches, in the case of a quantum system whose conserved quantities correspond to operators that do not commute with one another.

    • Nicole Yunger Halpern
    • Philippe Faist
    • Andreas Winter
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-7

  • Resetting qubits in a quantum computer requires significant hardware resources. Now, an experiment demonstrates an on-chip quantum refrigerator that uses a thermal gradient to reset a superconducting qubit more effectively than conventional methods.

    • Mohammed Ali Aamir
    • Paul Jamet Suria
    • Simone Gasparinetti
    ResearchOpen Access
    Nature Physics
    Volume: 21, P: 318-323

  • Across thermodynamics, systems exchange quantities such as energy and particles. What if the quantities are represented by operators that fail to commute with each other? This Perspective surveys the implications for quantum thermodynamics and adjacent fields.

    • Shayan Majidy
    • William F. Braasch Jr.
    • Nicole Yunger Halpern
    Reviews
    Nature Reviews Physics
    Volume: 5, P: 689-698

  • The dynamics of quantum states underlies the emergence of thermodynamics and even recent theories of quantum gravity. Now it has been proven that the quantum complexity of states evolving under random operations grows linearly in time.

    • Jonas Haferkamp
    • Philippe Faist
    • Nicole Yunger Halpern
    ResearchOpen Access
    Nature Physics
    Volume: 18, P: 528-532

  • In quantum metrology (as well as computing) it is not easy to pinpoint the specific source of quantum advantage. Here, the authors reveal a link between postselection and the unusually high rates of information per final measurement in general quantum parameter-estimation scenarios.

    • David R. M. Arvidsson-Shukur
    • Nicole Yunger Halpern
    • Seth Lloyd
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-7

  • Different subfields of physics quantify operator disagreement with different measures. The authors unite two, entropic uncertainty relations from quantum information theory and scrambling from condensed matter and high-energy physics.

    • Nicole Yunger Halpern
    • Anthony Bartolotta
    • Jason Pollack
    ResearchOpen Access
    Communications Physics
    Volume: 2, P: 1-12