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コロキウム/セミナー スケジュール 2017

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お知らせ

次々回のコロキウム/セミナーは11/24(金)の開催予定です。


         

コロキウム

  11/17(金)

“Teleportation through the Wormhole”

宮下 翔一郎

--- Abstract ---

Quantum teleportation is one of the interesting phenomena in quantum mechanics. If two distantly separated experimenters, Alice and Bob, share entangled systems, one (for example, Alice) can transfer a unknown quantum state to the other (Bob) with local operations and classical communications. Although this protocol does not provide superluminal transportation, the unknown quantum state at the Alice’s hand “instantaneously” disappears, while it appears “instantaneously” on the Bob’s hand. That’s why it is called “teleportation.”
This is the story of quantum teleportation for “teleporters.” However, if you care about “teleportee,” the story continues. Einstein-Rosen=Einstein-Podolsky-Rosen (ER=EPR) principle states that any entangled systems are connected through (untraversable) wormholes. According to that principle, Alice’s system and Bob’s system are connected through some untraversable wormhole. The recent analyses of quantum teleportation protocol, with the power of AdS/CFT, indicate that the protocol make the wormhole traversable and the teleportee actually sails through the wormhole during the teleportation !
In this Colloquium, I will briefly review the recent papers relating to “teleportation through the wormhole” after explaining the quantum teleportation protocol, ER=EPR, and the other important notions to understand the papers.

場所:55号館N棟2階物理応物会議室
時間:13:30-15:30


         

セミナー

  11/17(金)

“Variational principle of perfect fluid on Finsler spacetime”

矢萩 量子 [お茶の水大]

--- Abstract ---

Finsler geometry is a generalization of Riemannian geometry and it has been playing a crucial role in variational principle. Meanwhile, fluid equations are mostly derived in a phenomenological way. Studies on the variational principle of fluid do exist, but they interpolate indirect fields that do not appear in the final equations. We studied fluid on Finsler spacetime where the corresponding Lagrangian contains only velocity, density, and pressure. We showed that the Euler equation and the equation of continuity of perfect fluid are derived in a way of Finsler geometry. As an example, we chose a relativistic fluid.

場所:54号館 2階 202教室
時間:16:30-18:00


次回以降のコロキウム/セミナー

    [コロキウム]     [セミナー]


過去のコロキウム/セミナー 一覧

[Colloquium/Seminar 1997] [Colloquium/Seminar 1998]
[Colloquium/Seminar 1999] [Colloquium/Seminar 2000]
[Colloquium/Seminar 2001] [Colloquium/Seminar 2002]
[Colloquium/Seminar 2003] [Colloquium/Seminar 2004]
[Colloquium/Seminar 2005] [Colloquium/Seminar 2006]
[Colloquium/Seminar 2007] [Colloquium/Seminar 2008]
[Colloquium/Seminar 2009] [Colloquium/Seminar 2010]
[Colloquium/Seminar 2011] [Colloquium/Seminar 2012]
[Colloquium/Seminar 2013] [Colloquium/Seminar 2014]
[Colloquium/Seminar 2015] [Colloquium/Seminar 2016]
[Colloquium/Seminar 2017]


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世話人
        平井 遼介 / hirai_at_heap.phys.waseda.ac.jp
        福島 光博 / dark-matter_at_gravity.phys.waseda.ac.jp
        宮下 翔一郎 / miyashita_at_gravity.phys.waseda.ac.jp
        佐藤 星雅 / s.seiga_at_gravity.phys.waseda.ac.jp

    _at_ を@に置き換えてください



編集者:佐藤 星雅


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