Supervisors: David Jennings and Terry Rudolph

Resource theory of asymmetry

Precision controls over small quantum systems define consumable resources, and give rise to fundamental limitations above and beyond uncertainty relations. In the same way that a rotationally asymmetric object is of use in defining an axis, the utility of physical reference frames in fundamental physics (quantum clocks, phase references, spin dynamics) invariably stems from some underlying, abstract asymmetry. While symmetry serves to unify fundamental forces, it might be said that asymmetry serves to unify fundamental resources.

During my PhD I will work on a general theory of mixed state asymmetry, focusing especially on its connections with entanglement theory and thermodynamics, as well as on its applications for quantum information processing.  Developing the theory of interconversion, quantification and consumption of asymmetry I will try to comprehensively identify and describe such resources in a diverse range of physical scenarios. This will include devising a resource-theoretic formulation of quantum measurement aspects such as in measurement-disturbance relations. On a more practical side I will try to develop protocols accessible by state-of-the-art technology in topics such as quantum metrology, the theory of quantum clocks, or small quantum-scale thermodynamic engines.

Preprints

Kamil Korzekwa (arXiv:1609.05910)

Papers

Kamil Korzekwa, Matteo Lostaglio

Phys. Rev. A 93, 062347 (2016) [also arXiv:1602.01850]

Kamil Korzekwa, Matteo Lostaglio, Jonathan Oppenheim, David Jennings

New J. Phys. 18, 023045 (2016) [also arXiv:1506.07875]

Matteo Lostaglio, Kamil Korzekwa, David Jennings, Terry Rudolph

Phys. Rev. X 5, 021001 (2015) (also arXiv:1410.4572)

[Covered in Physics Viewpoint: New Entry in the Thermodynamic Rulebook for Quantum Systems]

Kamil Korzekwa, Paweł Machnikowski, Paweł Horodecki

Phys. Rev. A 89, 062301 (2014) [also arXiv:1403.7359]

Kamil Korzekwa, David Jennings, Terry Rudolph

Phys. Rev. A 89, 052108 (2014) [also arXiv:1311.5506]

Kamil Korzekwa, Matteo Lostaglio, David Jennings, Terry Rudolph

Phys. Rev. A 89, 042122 (2014) [also arXiv:1402:1143]

K. Korzekwa, C. Gradl, M. Kugler, S. Furthmeier, M. Griesbeck, M. Hirmer, D. Schuh, W. Wegscheider, T. Kuhn, C. Schüller, T. Korn, P. Machnikowski

Phys. Rev. B 88, 155303 (2013) [also arXiv:1306.6363]

[Editor’s suggestion]

T. Korn, M. Griesbeck, M. Kugler, S. Furthmeier, C. Gradl, M. Hirmer, D. Schuh, W. Wegscheider, K. Korzekwa, P. Machnikowski, T. Kuhn, M. M. Glazov, E. Ya. Sherman, C. Schüller

Proc. SPIE 8461, Spintronics V, 84610O (2012)

Kamil Korzekwa, Paweł Machnikowski

Acta Phys. Pol. A 120, 859-861 (2011) [also arXiv:1108.5749]

M. Kugler, K. Korzekwa, P. Machnikowski, C. Gradl, S. Furthmeier, M. Griesbeck, M. Hirmer, D. Schuh, W. Wegscheider, T. Kuhn, C. Schüller, T. Korn

Phys. Rev. B 84, 085327 (2011) [also arXiv:1105.1338]

Theses

MRes thesis, Imperial College London (2013)

MSc thesis, Wrocław University of Technology (2012)

Talks

  • The extraction of work from quantum coherence
    • Scientific meeting of PhD students, Wrocław University of Technology (2016)
  • Quantum information and thermodynamics: a resource-theoretic approach
    • Quantum Optics and Laser Science Group seminar, Imperial College London (2016)
    • Takahiro Sagawa's Group seminar, University of Tokyo (2016)
    • Quantum Science Group seminar, University of Sydney (2016)
    • Coherence-Correlations-Complexity seminar, Wrocław University of Technology (2015)
  • Quantum state transfer via spin chains
    • Coherence-Correlations-Complexity seminar, Wrocław University of Technology (2013)

Posters

  • Spin dynamics in p-doped semiconductor nanostructures subject to a magnetic field tilted from the Voigt geometry
    • 16th International Conference on Modulated Semiconductor Structures, Wrocław (2013)
  • Theoretical modelling of magnetooptical experiments in p-doped nanostructures
    • 2nd Polish-German Workshop on the Optical Properties of Nanostructures, Münster (2012)