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NSR database version of April 27, 2024.

Search: Author = K.Sviratcheva

Found 13 matches.

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2010DR08      J.Phys.:Conf.Ser. 205, 012006 (2010)

J.P.Draayer, T.Dytrych, K.D.Sviratcheva

Ab Initio Open Core Shell Model for nuclear structure

doi: 10.1088/1742-6596/205/1/012006
Citations: PlumX Metrics

2010GE06      Physics of Part.and Nuclei 41, 1105 (2010)

A.I.Georgieva, M.I.Ivanov, S.L.Drenska, K.D.Sviratcheva, J.P.Draayer

Dynamical symmetries in contemporary nuclear structure applications

NUCLEAR STRUCTURE ^{40,42,44,46,48}Ca, ^42,44,46,48Sc, ^44,46,48Ti, ^46,48V, ⁴⁸Cr; analyzed nuclear properties; deduced classification scheme. Group theory.

doi: 10.1134/S1063779610070270
Citations: PlumX Metrics

2008DR06      Int.J.Mod.Phys. E17, Supplement 1, 133 (2008)

J.P.Draayer, T.Dytrych, K.D.Sviratcheva, C.Bahri, J.P.Vary

Symplectic no-core shell model

NUCLEAR STRUCTURE ¹²C, ¹⁶O; calculated lowest excited states, J, π. Sympletic no-core shell model (Sp-NCSM).

doi: 10.1142/S0218301308011811
Citations: PlumX Metrics

2008DY01      J.Phys.(London) G35, 095101 (2008)

T.Dytrych, K.D.Sviratcheva, C.Bahri, J.P.Draayer, J.P.Vary

Highly deformed modes in the ab initio symplectic no-core shell model

NUCLEAR STRUCTURE ¹²C, ¹⁶O; calculated wavefunction of ground state rotational band; symplectic basis; deformed many-particle many-hole configurations; no-core shell model.

doi: 10.1088/0954-3899/35/9/095101
Citations: PlumX Metrics

2007DY01      Phys.Rev.Lett. 98, 162503 (2007)

T.Dytrych, Kristina D.Sviratcheva, C.Bahri, J.P.Draayer, J.P.Vary

Evidence for Symplectic Symmetry in Ab Initio No-Core Shell Model Results for Light Nuclei

NUCLEAR STRUCTURE ¹²C, ¹⁶O; calculated ground-state configurations; deduced symplectic symmetry. No-core shell model.

doi: 10.1103/PhysRevLett.98.162503
Citations: PlumX Metrics

2007DY02      Phys.Rev. C 76, 014315 (2007)

T.Dytrych, K.D.Sviratcheva, C.Bahri, J.P.Draayer, J.P.Vary

Dominant role of symplectic symmetry in ab initio no-core shell model results for light nuclei

NUCLEAR STRUCTURE ¹²C, ¹⁶O; calculated B(E2) within the framework of no-core shell model.

doi: 10.1103/PhysRevC.76.014315
Citations: PlumX Metrics

2007SV01      Nucl.Phys. A786, 31 (2007)

K.D.Sviratcheva, J.P.Draayer, J.P.Vary

Global properties of fp-shell interactions in many-nucleon systems

NUCLEAR STRUCTURE ⁵⁸Ni, ⁵⁸Cu; calculated levels, J, π. Effective interactions compared using spectral distribution theory.

doi: 10.1016/j.nuclphysa.2007.01.087
Citations: PlumX Metrics

2006SV02      Phys.Rev. C 73, 034324 (2006)

K.D.Sviratcheva, J.P.Draayer, J.P.Vary

Underlying symmetries of realistic interactions and the nuclear many-body problem

NUCLEAR STRUCTURE ⁴²Ca, ⁴²Sc, ⁴²Ti, ⁵⁴Co, ⁵⁴Fe; calculated levels, J, π, configurations, collective features from realistic interactions. Spectral distribution theory.

doi: 10.1103/PhysRevC.73.034324
Citations: PlumX Metrics

2005SV02      Phys.Rev. C 72, 054302 (2005)

K.D.Sviratcheva, A.I.Georgieva, J.P.Draayer

Isospin symmetry breaking in an algebraic pairing Sp(4) model

NUCLEAR STRUCTURE ³⁶Ar, ^44,46,48Ti, ^46,48V, ^46,48Cr, ⁴⁸Mn, ⁴⁸Fe; calculated overlap of isobaric analog states due to pairing correlations. ^44,46,48V, ^46,48Cr, ^46,48,50Mn, ^48,50Fe, ^48,50,52Co; calculated isospin mixing for non-analog β-decay transitions. Dynamical Sp(4) symmetry, isospin symmetry breaking, proton-neutron interaction, isovector and isoscalar pairing.

doi: 10.1103/PhysRevC.72.054302
Citations: PlumX Metrics

2004SV01      Phys.Rev. C 69, 024313 (2004)

K.D.Sviratcheva, A.I.Georgieva, J.P.Draayer

Staggering behavior of 0⁺ state energies in the Sp(4) pairing model

NUCLEAR STRUCTURE A=40-100; calculated 0⁺ level energies, pairing interaction effects, two-proton separation energies, staggering behavior. Dynamical Sp(4) symmetry, proton-neutron interaction, isovector and isoscalar pairing.

doi: 10.1103/PhysRevC.69.024313
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2004SV03      Phys.Rev.Lett. 93, 152501 (2004)

K.D.Sviratcheva, C.Bahri, A.I.Georgieva, J.P.Draayer

Physical Significance of q Deformation and Many-Body Interactions in Nuclei

NUCLEAR STRUCTURE A=40-100; analyzed pairing correlations, quantum deformation.

doi: 10.1103/PhysRevLett.93.152501
Citations: PlumX Metrics

2004SV04      Phys.Rev. C 70, 064302 (2004)

K.D.Sviratcheva, A.I.Georgieva, J.P.Draayer

Dynamical symmetry of isobaric analog 0⁺ states in medium mass nuclei

NUCLEAR STRUCTURE ^42,44,46Ca, ^42,50Ti, ^44,52Cr, ^46,54Fe; calculated level energies. ³⁶Ar, ^44,46,48Ti, ^46,48V, ^46,48,50Cr, ^48,50,52Fe, ^48,50Mn; A=32-100; calculated isobaric analog states energies, pairing interaction, symmetry and Wigner energy. Dynamical Sp(4) symmetry, comparison with data.

doi: 10.1103/PhysRevC.70.064302
Citations: PlumX Metrics

2003SV01      J.Phys.(London) G29, 1281 (2003)

K.D.Sviratcheva, A.I.Georgieva, J.P.Draayer

An algebraic pairing model with Sp(4) symmetry and its deformation

NUCLEAR STRUCTURE ⁴⁰Ca, ⁴²Sc, ⁴⁴Ti, ⁴⁶V, ⁴⁸Cr, ⁵⁰Mn, ⁵²Fe, ⁵⁴Co, ⁵⁶Ni; calculated 0⁺ level energies, pairing correlations, deformation effects. Symplectic dynamical symmetry.

doi: 10.1088/0954-3899/29/6/325
Citations: PlumX Metrics

Note: The following list of authors and aliases matches the search parameter K.Sviratcheva: , K.D.SVIRATCHEVA