“Petr Hořava (theorist)”的意思、由来-开放百科全书

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Petr Hořava (theorist)

释义

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Petr Hořava (born 1963, in Prostějov)^[1] is a Czech string theorist. He is a professor of physics at the University of California, Berkeley, where he teaches courses on quantum field theory and string theory. Hořava is a member of the theory group at Lawrence Berkeley National Laboratory.

Work

Hořava is known for his articles written with Edward Witten about the Hořava-Witten domain walls in M-theory. These articles demonstrated that the ten-dimensional heterotic string theory could be produced from 11-dimensional M-theory by making one of the dimensions have edges (the domain walls). This discovery provided crucial support for the conjecture that all string theories could arise as limits of a single higher-dimensional theory.

Hořava is less well known for his discovery of D-branes, usually attributed to Dai, Leigh and Polchinski, who discovered them independently, also in 1989.{{Citation needed|date=July 2013}}

In 2009, Hořava proposed a theory of gravity that separates space from time at high energy while matching some predictions of general relativity at lower energies.^[2]^[3]

References

1. ^[https://www.nfneuron.cz/cs/vedci/petr-horava Profile at Grant Fund Neuron website]
2. ^[https://arxiv.org/abs/0901.3775 "Quantum Gravity at a Lifshitz Point"] by Petr Hořava
3. ^Zeeya Merali, "Splitting Time from Space—New Quantum Theory Topples Einstein's Spacetime", Scientific American (Dec. 2009).

External links

Hořava's webpage at LBNL

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