Joan Vaccaro Explained

Joan Vaccaro
Nationality:Australian, Italian
Fields:
Workplaces:
Alma Mater:Griffith University (BSc, PHD)
Doctoral Advisor:David Pegg
Thesis Title:Physical Number-phase Intelligent and Minimum-uncertainty States of Light
Thesis Url:https://doi.org/10.1080/09500349014550041
Thesis Year:1990

Joan Vaccaro is a physicist at Griffith University and a former student of David Pegg. Her work in quantum physics includes quantum phase,[1] nonclassical states of light, coherent laser excitation of atomic gases, cold atomic gases, stochastic Schrödinger equations, quantum information theory, quantum references, wave–particle duality, quantum thermodynamics, and the physical nature of time.

Works

She is well known for her work on quantum asymmetry, having formulated the widely used entropic measure AG(ρ) of the ability of a system to act as a reference and extended quantum resource theory beyond that of quantum entanglement at the same time.[2] She has extended Landauer's erasure principle, a key result connecting information theory and thermodynamics, to the erasure of information using diverse entropy reservoirs for which there may be a zero cost in terms of energy,[3] [4] and demonstrated the extended principle in the design of a quantum dot heat engine.[5] She has established a connection between the violation of time reversal symmetry (T violation) and the nature of time.[6] Her work proposes T violation as the origin of dynamics which has implications for the arrow of time[7]

Membership

She is a member of the Centre for Quantum Dynamics and a Fellow of the Institute of Physics.[8]

References

  1. http://www.crcpress.com/product/isbn/9781584887607 The Quantum Phase Operator: A Review
  2. Vaccaro. J. A.. 2008-01-01. Tradeoff between extractable mechanical work, accessible entanglement, and ability to act as a reference system, under arbitrary superselection rules. Physical Review A. 77. 3. 032114. 10.1103/PhysRevA.77.032114. quant-ph/0501121 . 2008PhRvA..77c2114V . 26860319.
  3. Vaccaro. Joan A.. Barnett. Stephen M.. 2011-06-08. Information erasure without an energy cost. Proceedings of the Royal Society of London A: Mathematical, Physical and Engineering Sciences. en. 467. 2130. 1770–1778. 10.1098/rspa.2010.0577. 1364-5021. 1004.5330. 2011RSPSA.467.1770V. 11768197.
  4. Barnett. Stephen M.. Vaccaro. Joan A.. 2013-11-13. Beyond Landauer Erasure. Entropy. en. 15. 11. 4956–4968. 10.3390/e15114956. 1310.7821 . 2013Entrp..15.4956B . 16110551. free.
  5. Wright. J.S.S.T.. Gould. T.. Carvalho. A.R.R.. Bedkihal. S.. Vaccaro. J.A.. 2018. Quantum heat engine operating between thermal and spin reservoirs. Physical Review A. 97. 5. 052104. 10.1103/PhysRevA.97.052104. 1804.00843. 2018PhRvA..97e2104W. 53952802.
  6. Vaccaro. Joan A.. 2016-01-01. Quantum asymmetry between time and space. Proc. R. Soc. A. en. 472. 2185. 20150670. 10.1098/rspa.2015.0670. 1364-5021. 4786044. 26997899. 1502.04012 . 2016RSPSA.47250670V .
  7. News: Bringing time, space together for universal symmetry. Jacobson. Michael. 28 January 2016. Newsfeed. 7 May 2016. www.griffith.edu.au.
  8. Web site: New fellows, new members and In Memoriam in January 2014. https://web.archive.org/web/20171201033131/http://www.iop.org/news/member/2013/page_62117.html. 1 December 2017.

External links