Talk at “Black Holes and Quantum Physics” workshop, Perimter Institute, Jan.24, ’09
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Transcript of Talk at “Black Holes and Quantum Physics” workshop, Perimter Institute, Jan.24, ’09
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Schwarzschild Radius and Black Hole Thermodynamics with Corrections from Simulations of SUSY Matrix Quantum Mechanics
Talk at “Black Holes and Quantum Physics” workshop, Perimter Institute, Jan.24, ’09
Ref.) Anagnostopoulos-Hanada- J.N.-Takeuchi, PRL 100 (’08) 021601 Hanada-Miwa-J.N.-Takeuchi, arXiv:0811.2081[hep-th] Hanada-Hyakutake-J.N.-Takeuchi,arXiv:0811.3102[hep-th]
Jun Nishimura (KEK)
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2009.1.24 Perimeter Institute
Jun Nishimura (KEK) Schwarzschild radius and black hole...
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based on collaborations with
Konstantinos Anagnostopoulos (National Technical University, Athens, Greece)
Masanori Hanada (Weizmann Inst., Israel)
Yoshifumi Hyakutake (Osaka Univ.)
Akitsugu Miwa (U. of Tokyo, Komaba → Harish-Chandra Research Inst., India)
Shingo Takeuchi (KEK → APCTP, Korea)
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0. Introduction
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“quantum black hole” or microscopic description of black holesrequires superstring theory
gauge/string duality (’98-)
strongly coupled gauge theory
Monte Carlo simulations analogous to lattice QCD
Anagnostopoulos-Hanada-J.N.-Takeuchi, PRL 100 (’08) 021601 [arXiv:0707.4454]
CERN COURIER, March 2008
Simulating Quantum Black Holes
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2009.1.24 Perimeter Institute
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N
A basis of gauge/gravity duality superstring massless modes
open string gauge particles,…
closed string graviton, dilaton,…
open string-closed string duality
D brane “ soliton solution” extending in -dim.
propagation of a gauge particle
(Direchlet)
emission of a graviton
curved 10d space-timedim. U(N) SYM low energy limit
Maldacena (’97)
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N D0 branes
thorizon
black 0-brane solutionin type IIA SUGRA
1d U(N) SUSY gauge theory
near-extremal black holeat finite T
In the decoupling limit, the D0 brane system describes the black hole microscopically.
Itzhaki-Maldacena-Sonnenschein-Yankielowicz (’98)
Gauge-gravity duality for D0-brane system
SUGRA description : valid
type IIA superstring
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Schwarzschild radius from Wilson loop
Simulating superstrings inside a black holeblack hole thermodynamics
Hanada-Miwa-J.N.-Takeuchi, arXiv:0811.2081[hep-th]
Anagnostopoulos-Hanada-J.N.-Takeuchi (’08)
Hanada-Hyakutake-J.N.-Takeuchi,arXiv:0811.3102
7.41
1.89
compatible withthe fuzzball picture !
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2009.1.24 Perimeter Institute
Jun Nishimura (KEK) Schwarzschild radius and black hole...
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Plan of the talk
0. Introduction
1. Simulating SUSY matrix QM with 16 supercharges
2. Dual gravity description and black hole thermodynamics
3. Higher derivative corrections to black hole thermodynamics from SUSY QM
4. Schwarzschild radius from Wilson loop
5. Summary
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1. Simulating SUSY QM with 16 supercharges
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low T strongly coupledhigh T non-zero modes : weakly coupled (high T exp.)
dual gravity description
(zero modes : integrated non-perturbatively)
1d gauge theoryp.b.c.
anti p.b.c.
Kawahara-J.N.-Takeuchi, JHEP 0712 (2007) 103, arXiv:0710.2188[hep-th]
(without loss of generality)
SUSY matrix QM with 16 supercharges
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Hanada-J.N.-Takeuchi, PRL 99 (07) 161602 [arXiv:0706.1647]Fourier-mode simulation respecting SUSY maximally
residual gauge symmetry :
should be fixed by imposing
static diagonal gauge :
Note: Gauge symmetry can be fixed non-perturbatively in 1d.
c.f.) lattice approach : Catterall-Wiseman, PRD78 (08) 041502Earlier works based on Gaussian approximation
Kabat-Lifschytz-Lowe, PRL 86 (2001) 1426
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2. Dual gravity descriptionand black hole thermodynamics
Anagnostopoulos-Hanada- J.N.-Takeuchi, PRL 100 (’08) 021601 [arXiv:0707.4454]
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2009.1.24 Perimeter Institute
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Dual gravity descriptionAfter taking the decoupling limit :
Black hole thermodynamics
Hawking temperature :
Bekenstein-Hawking entropy :
range of validity:
Klebanov-Tseytlin (’96)7.41
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Result: Internal energy
high T expansion(incl. next-leading order)
free energy
result obtained from 10d BH
Anagnostopoulos-Hanada- J.N.-Takeuchi, PRL 100 (’08) 021601 [arXiv:0707.4454]
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Result: Polyakov line
Characteristic behavior ofthe deconfined phase
High T expansion(including next-leading order)
no phase transition unlike in bosonic caseconsistent with analyses on the gravity size (Barbon et al., Aharony et al.)
Anagnostopoulos-Hanada- J.N.-Takeuchi, PRL 100 (’08) 021601 [arXiv:0707.4454]
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Hanada-Hyakutake-J.N.-Takeuchi, arXiv:0811.3102[hep-th]
3. Higher derivative corrections to black hole thermodynamics from SUSY QM
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corrections to type IIA SUGRA action
tree-level scattering amplitudes of the massless modes
low energy effective action of type IIA superstring theory
leading term : type IIA SUGRA action
explicit calculations of 2-pt and 3-pt amplitudes
4-pt amplitudes
Complete form is yet to be determined, but we can still make a dimensional analysis.
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Black hole thermodynamics with correctionscurvature radius of the dual geometry
More careful treatment leads to the same conclusion.(Hanada-Hyakutake-J.N.-Takeuchi,arXiv:0811.3102)
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Higher derivative corrections toblack hole thermodynamics from SUSY QM
finite cutoff effects
slope = 4.6
higher derivative corrections
Hanada-Hyakutake-J.N.-Takeuchi, arXiv:0811.3102[hep-th]
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3. Schwarzschild radius from Wilson loop
Hanada-Miwa-J.N.-Takeuchi , arXiv:0811.2081[hep-th]
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Calculation of Wilson loop
probe D0 brane
horizonN D0 branes
t
fundamental string
gauge theory side :
propagation of a test particlecoupled to
Rey-Yee (’98),Maldacena (’98)
Hanada-Miwa-J.N.-Takeuchi, arXiv:0811.2081[hep-th]
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Calculation of Wilson loop (cont’d)
probe D0 brane
horizon
fundamental string
Replace N D0 branes by the black 0-brane background
string action for the minimal surface :propagation of the string in the b.g. geometry
gravity theory side :
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Calculation of Wilson loop (cont’d)
perimeter-law suppression factordue to propagation of a particle with mass M
natural to identify more sophisticated justificationa la Drukker-Gross-Ooguri (’99)
1.89
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Results: Wilson loop
high T exp.(next-leading)
Schwarzschild radiusfrom the Wilson loop
subleading term (perturbative corrections)
Hanada-Miwa-J.N.-Takeuchi, arXiv:0811.2081[hep-th]
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5. Summary
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Summary and future prospects Monte Carlo studies of supersymmetric large N gauge theories
powerful method for superstring theory
simulating superstrings inside a black hole
based on gauge/string duality
Black hole thermodynamics (E v.s. T relation)
Schwarzschild radius reproduced from Wilson loop
a highly nontrivial check of the duality
microscopic origin of the black hole thermodynamics
including higher derivative corrections !
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Simulating Quantum UniverseNonperturbative formulations of superstring/M theory
Matrix TheoryType IIB matrix modelMatrix String Theory
Banks-Fischler-Shenker-Susskind (’97)
How does our 4d space-time appear from 10d (11d) space-time ?
SO(10) SO(4) ?
e.g.)
SSB
10D
4DGaussian expansion method
J.N.-Sugino (’01),Kawai et al. (’01),...
Ishibashi-Kawai-Kitazawa-Tsuchiya (’97)
Dijkgraaf-Verlinde-Verlinde (’97)
Monte Carlo simulation, in progress