D-branes as coherent states in the open string channel
We show that bosonic D-branestates may be represented as coherent states in an open string representation. By using the thermo field dynamics (TFD) formalism, we may construct a condensed state of open string modes that encodes the information on the D-braneconfiguration. We also introduce a constru...
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| Veröffentlicht in: | The European physical journal. C, Particles and fields Particles and fields, 2008-06, Vol.55 (3), p.517-523 |
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| creator | Botta Cantcheff, M. |
| description | We show that bosonic D-branestates may be represented as coherent states in an open string representation. By using the thermo field dynamics (TFD) formalism, we may construct a condensed state of open string modes that encodes the information on the D-braneconfiguration. We also introduce a construction alternative to TFD, which does not require one to assume thermal equilibrium. It is shown that the dynamics of the system combined with the geometric properties of the duplication rules of TFD is sufficient to obtain the thermal states and their analytic continuations in a geometric fashion. We use this approach to show that a bosonic D-branestate in the open string sector may also be built as boundary states in a special sense. Some implications of this study for the interpretation of the open/closed duality and on the kinematic/algebraic structure of an open string field theory are also commented on. |
| doi_str_mv | 10.1140/epjc/s10052-008-0603-9 |
| format | Article |
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| subjects | Astronomy Astrophysics and Cosmology Branes Elementary Particles Field theory Hadrons Heavy Ions Measurement Science and Instrumentation Nuclear Energy Nuclear Physics Physics Physics and Astronomy Quantum Field Theories Quantum Field Theory Regular Article - Theoretical Physics String Theory Strings |
| title | D-branes as coherent states in the open string channel |
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