PPT-Thermalization and Quantum Information

Fernando GSL Brand ão University College London New Perspectives on Thermalization Aspen 2014 p artially based on joint work with Aram Harrow and Michal Horodecki Plan 1 . measurements: . One physicist’s crooked . path from quantum optics to quantum information. Introduction . Squeezed states and optical . interferometry. Ramsey . interferometry. and cat states. Quantum information perspective. dynamics vs. entang. lement. APS March Meeting. Pittsburgh. , 2009 March 16. . Ramsey . interferometry. and cat . states. Quantum information . perspective. Beyond the Heisenberg . limit. Two-component BECs. Michael Ben-Or. The Hebrew University. Michael Rabin’s Birthday Celebration. Randomized Protocols. Power of Randomization. Exponential . speedup for known algorithms. Complexity . – The jury is still out . Aditi. . Sen. (De). Harish-Chandra Research Institute, India. Monogamy of Quantum Correlations. Aditi. . Sen. (De). Harish-Chandra Research Institute, India. Co-workers: . Asutosh. , . Salini. , . (Quantum Cryptography). The BIG Idea. Basic idea of cryptography – To keep information secure from prying eyes. . Current encryption is mathematically based. Basically there are several possible types of keys and if the sender and end user both know the key, they can exchange information securely. . Chris. Monroe. University of Maryland. Department of Physics. National Institute of. Standards and Technology. Putting Weirdness to Use. atom-sized . transistors. 2040 . molecular-sized . transistors. Fernando . G.S.L. . Brand. ão. ETH Zürich. W. ith . B. Barak . (. MSR). ,. . M. . Christandl. . (ETH),. . A. Harrow . (MIT), . J. . Kelner. . (MIT), . D. . Steurer. . (Cornell), . J. Yard . (Station Q), . Omar Fawzi (ETH Zürich). Joint work with Winton Brown (University College London). S. Random . unitaries. Encoding for almost any quantum information transmission problem . Entanglement generation. Thermalization. Saikat. . Guha. , . Patrick . Hayden, . Hari. . Krovi. , . Seth . Lloyd, . Cosmo . Lupo. ,. Jeffrey . H. . Shapiro. , . Masahiro. . Takeoka. ,. . Mark M. . Wilde. Phys. . Rev. X . 4. , 011016 (2014). Anindita Banerjee. Quantum optics Lab . Department of Physics. Centre of Astroparticle Physics and Space Science. Bose Institute. The International School and Conference on Quantum Information . Institute . . Entanglement, discord and harnessing noise. Natalia . Korolkova. . St . Andrews, UK. QUANTUM. INFORMATION. Quantum entanglement: definition and some textbook examples. Going macroscopic: quantum information in infinite-dimensional . Why a Retreat?. Why a Center?. Transforming Caltech Quantum Science. Pre-historic: Feynman, Thorne, …. Pre-millennial: . Preskill. (1983), . Vahala. (1986), Kimble (1989), . Yeh. (1989), Eisenstein (1996). Dung Nguyen. Chicago 19. th. January. Content. Motivation . Quantum bit (qubit) vs Classical bit (bit). Quantum Computation . Quantum Communication. Conclusion. Motivation. The end of Moore’s law scaling in silicon (because of quantum effects of particle at scale smaller than 7nm).. Adriana E. Lita. Faint Photonics Group (. Sae. Woo Nam) &. Quantum . Nanophotonics. Group (Rich Mirin) . NIST. Boulder, CO. 18. th. International Workshop on Low Temperature Detectors (LTD-18), Milano 22-26 July 2019.