Results 131 to 140 of about 2,678,069 (257)

Strings, Black Holes, and Quantum Information

, 2006
We find multiple relations between extremal black holes in string theory and 2- and 3-qubit systems in quantum information theory. We show that the entropy of the axion-dilaton extremal black hole is related to the concurrence of a 2-qubit state, whereas
A. Cayley, A. Miyake, Andrei Linde, C. V. Johnson, D. M. Greenberger, E. Cartan, I. M. Gelfand, K. Behrndt, L. Susskind, M. Gunaydin, M. A. Nielsen, Renata Kallosh, T. Ortin   +12 more
core   +4 more sources

Electric Magnetic Duality in String Theory [PDF]

, 1992
The electric-magnetic duality transformation in four dimensional heterotic string theory discussed by Shapere, Trivedi and Wilczek is shown to be an exact symmetry of the equations of motion of low energy effective field theory even after including the ...
Ashoke Sen, Bergshoef, Campbell, Campbell, Campbell, Castellani, Castellani, Cecotti, Cremmer, Cremmer, Cremmer, Cremmer, Dabholkar, Dabholkar, De Roo, De Roo, De Roo, Duff, Duff, Duff, Ferrara, Font, Gaillard, Garfinkle, Gasperini, Gasperini, Gibbons, Giveon, Harvey, Hassan, Holzhey, Horava, Horne, Horowitz, Kallosh, Kallosh, Kar, Maharana, Meissner, Meissner, Montonen, Narain, Narain, Osborn, Panvel, Roček, Scherk, Sen, Sen, Sen, Sen, Sen, Shapere, Strominger, Veneziano, Witten   +55 more
core   +3 more sources

α/β Hydrolases: Toward Unraveling Entangled Classification

Proteins: Structure, Function, and Bioinformatics, Volume 93, Issue 4, Page 855-870, April 2025.
ABSTRACT α/β Hydrolase‐like enzymes form a large and functionally diverse superfamily of proteins. Despite retaining a conserved structural core consisting of an eight‐stranded, central β‐sheet flanked with six α‐helices, they display a modular architecture allowing them to perform a variety of functions, like esterases, lipases, peptidases, epoxidases,
Fatih Ozhelvaci, Kamil Steczkiewicz
wiley   +1 more source

Multi‐Elemental Tracers in the Amerasian Basin Reveal Interlinked Biogeochemical and Physical Processes in the Arctic Ocean Upper Halocline

Global Biogeochemical Cycles, Volume 39, Issue 4, April 2025.
Abstract The physical and biogeochemical properties of the western Arctic Ocean are rapidly changing, resulting in cascading shifts to the local ecosystems. The nutrient‐rich Pacific water inflow to the Arctic through the Bering Strait is modified on the Chukchi and East Siberian shelves by brine rejection during sea ice formation, resulting in a ...
L. M. Whitmore, L. Jensen, J. Granger, Y. Xiang, L. Kipp, A. Pasqualini, R. Newton, A. M. Agather, R. F. Anderson, E. E. Black, K. L. Bowman, A. Bourbonnais, M. A. Brzezinski, R. M. Bundy, M. A. Charette, R. L. Edwards, J. N. Fitzsimmons, D. A. Hansell, P. J. Lam, P. Morton, M. A. Saito, P. Schlosser, A. M. Shiller, W. M. Smethie, B. S. Twining, R. J. Woosley, R. Zhang   +26 more
wiley   +1 more source

FROM TRASH TO TREASURE: RILKE AND VENICE REVISITED

German Life and Letters, Volume 78, Issue 2, Page 127-193, April 2025.
ABSTRACT Rilke loved Venice and visited or passed through a dozen times between 1897 and 1920. He wrote extensively about the city in prose and verse between 1898 and 1908, including a cycle of poems in the Neue Gedichte and a polemical ‘Aufzeichnung’ in Malte Laurids Brigge.
Robert Vilain
wiley   +1 more source

Generalized Freudenthal duality for rotating extremal black holes

Journal of High Energy Physics
Freudenthal duality (FD) is a non-linear symmetry of the Bekenstein-Hawking entropy of extremal dyonic black holes (BHs) in Maxwell-Einstein-scalar theories in four space-time dimensions realized as an anti-involutive map in the symplectic space of ...
Arghya Chattopadhyay, Taniya Mandal, Alessio Marrani   +2 more
doaj   +1 more source

State-Space Geometry, Statistical Fluctuations, and Black Holes in String Theory

Advances in High Energy Physics, 2014
We study the state-space geometry of various extremal and nonextremal black holes in string theory. From the notion of the intrinsic geometry, we offer a state-space perspective to the black hole vacuum fluctuations.
Stefano Bellucci, Bhupendra Nath Tiwari
doaj   +1 more source

On the Microscopic Perspective of Black Branes Thermodynamic Geometry

Entropy, 2010
We study thermodynamic state-space geometry of the black holes in string theory and M-theory. For a large number of microstates, we analyze the intrinsic state-space geometry for (i) extremal and non-extremal black branes in string theory, (ii) multi ...
Stefano Bellucci, Bhupendra Nath Tiwari
doaj   +1 more source

Black Hole Condensation and Duality in String Theory [PDF]

Nuclear Physics B - Proceedings Supplements, 1996
This is a non-technical version of a talk presented at the conference, "S-Duality and Mirror Symmetry in String Theory" Trieste, June, 1996 which will appear in the proceedings.
openaire   +3 more sources

Strings in a 2-d Extremal Black Hole

, 2005
String theory on 2-d charged black holes corresponding to (SL(2)xU(1)_L)/U(1) exact asymmetric quotient CFTs are investigated. These backgrounds can be embedded, in particular, in a two dimensional heterotic string. In the extremal case, the quotient CFT
Giveon, Amit, Sever, Amit
core   +1 more source