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SUMMARY:Emergent Geometries from the BMN Matrix Model
DTSTART;VALUE=DATE-TIME:20181218T073500Z
DTEND;VALUE=DATE-TIME:20181218T075000Z
DTSTAMP;VALUE=DATE-TIME:20190826T014858Z
UID:indico-contribution-23@cern.ch
DESCRIPTION:Speakers: Dr. ASANO\, Yuhma (KEK)\nAn idea to formulate string
theory or M-theory by a gauge theory attracts theorists and has been exte
nsively studied. The gauge theory should be lower dimensional so that a ge
ometry in string or M-theory\, which has higher dimensions\, must emerge f
rom it. This suggests that there would be a phase transition in the gauge
theory and that the geometry should appear as its temperature decreases. I
n this talk\, I will explain the BMN matrix model\, a gauge theory conside
red as a non-perturbative formulation of M-theory on the plane-wave geomet
ry. This theory has infinitely many vacua and each of them corresponds to
one of bubbling geometries in the type IIA supergravity. Gauge-theory comp
utation showed that a certain BPS operator reproduced the geometries on th
e gravity side and also brane geometries in the M-brane picture. At finite
temperatures\, these geometries should be realised in a non-trivial way\,
an example of which is a phase transition regarding a black hole---the co
nfinement/deconfinement transition. Recently\, the gravity solution corres
ponding to the thermal BMN model around the trivial vacuum was numerically
obtained so that the critical temperature of the deconfinement transition
was computed. I will show recent results of Monte Carlo simulations of th
e gauge-theory side\, which revealed two types of phase transition\, consi
stent with the gravity prediction.\n\nhttps://conference-indico.kek.jp:443
/indico/event/48/session/11/contribution/23
LOCATION:Kenkyu-Honkan bldg. 1F Kobayashi Hall
URL:https://conference-indico.kek.jp:443/indico/event/48/session/11/contri
bution/23
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