Search Results - "Dytrych, Tomáš"

Evidence for symplectic symmetry in Ab initio no-core shell model results for light nuclei by Dytrych, Tomás, Sviratcheva, Kristina D, Bahri, Chairul, Draayer, Jerry P, Vary, James P

“…Clear evidence for symplectic symmetry in low-lying states of 12C and 16O is reported. Eigenstates of 12C and 16O, determined within the framework of the…”
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Parallel multithreaded deduplication of data sequences in nuclear structure calculations by Langr, Daniel, Dytrych, Tomáš

“…High performance computing (HPC) applications that work with redundant sequences of data can benefit from their deduplication. We study this problem on the…”
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A 21st Century View of Nuclear Structure by Baker, Robert B, Draayer, Jerry P, Sargsyan, Grigor H, Dreyfuss, Alison C, Dytrych, Tomáš, Kekejian, David, Launey, Kristina D, Mercenne, Alexis

“…Exploiting exact and special symmetries to unmask simplicity within complexity, which remains the “holy grail” of nuclear physics, will be considered within…”
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SU3lib: A C++ library for accurate computation of Wigner and Racah coefficients of SU(3) by Dytrych, Tomáš, Langr, Daniel, Draayer, Jerry P., Launey, Kristina D., Gazda, Daniel

“…We present the C++ library SU3lib for accurate computation of SU(3) Wigner coupling and Racah recoupling coefficients. It is built on the efficient…”
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Nuclear Dynamics and Reactions in the Ab Initio Symmetry-Adapted Framework by Launey, Kristina D, Mercenne, Alexis, Dytrych, Tomas

“…We review the ab initio symmetry-adapted (SA) framework for determining the structure of stable and unstable nuclei, along with related electroweak, decay, and…”
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Emergent symplectic symmetry in atomic nuclei: Ab initio symmetry-adapted no-core shell model by Launey, Kristina D., Dytrych, Tomáš, Sargsyan, Grigor H., Baker, Robert B., Draayer, Jerry P.

“…Exact symmetry and symmetry-breaking phenomena play a key role in gaining a better understanding of the physics of many-particle systems, from quarks and…”
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Efficient algorithm for representations of U(3) in U(N) by Langr, Daniel, Dytrych, Tomáš, Draayer, Jerry P., Launey, Kristina D., Tvrdík, Pavel

“…An efficient algorithm for enumerating representations of U(3) that occur in a representation of the unitary group U(N) is introduced. The algorithm is…”
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Emergent Sp ( 3 , R ) Dynamical Symmetry in the Nuclear Many-Body System from an Ab Initio Description by McCoy, Anna E., Caprio, Mark A., Dytrych, Tomáš, Fasano, Patrick J.

“…Ab initio nuclear theory provides not only a microscopic framework for quantitative description of the nuclear many-body system, but also a foundation for…”
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Hoyle state and rotational features in Carbon-12 within a no-core shell-model framework by Dreyfuss, Alison C., Launey, Kristina D., Dytrych, Tomáš, Draayer, Jerry P., Bahri, Chairul

“…By using only a fraction of the model space extended beyond current no-core shell-model limits and a many-nucleon interaction with a single parameter, we gain…”
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Accelerating many-nucleon basis generation for high performance computing enabled ab initio nuclear structure studies by Langr, Daniel, Dytrych, Tomáš, Launey, Kristina D, Draayer, Jerry P

“…We present the problem of generating a many-nucleon basis in SU ( 3 ) -scheme for ab initio nuclear structure calculations in a symmetry-adapted no-core shell…”
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Overlaps of deformed and non-deformed harmonic oscillator basis states by Kekejian, David, Draayer, Jerry P., Dytrych, Tomáš, Launey, Kristina D.

“…•Analytic results were derived for the first time between deformed and non-deformed harmonic oscillator basis states.•The overlaps are independent of the…”
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Coupling and recoupling coefficients for Wigner’s U(4) supermultiplet symmetry by Dang, Phong, Draayer, Jerry P., Pan, Feng, Dytrych, Tomáš, Langr, Daniel, Kekejian, David, Becker, Kevin S., Thompson, Noah

“…A novel procedure for evaluating Wigner coupling coefficients and Racah recoupling coefficients for U(4) in two group–subgroup chains is presented. The…”
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Downsampling Algorithms for Large Sparse Matrices by Langr, Daniel, Tvrdík, Pavel, Šimeček, Ivan, Dytrych, Tomáš

“…Mapping of sparse matrices to processors of a parallel system may have a significant impact on the development of sparse-matrix algorithms and, in effect, to…”
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Uncertainty quantification of collective nuclear observables from the chiral potential parametrization by Becker, Kevin S, Launey, Kristina D, Ekström, Andreas, Dytrych, Tomáš, Langr, Daniel, Sargsyan, Grigor H, Draayer, Jerry P

“…Abstract We perform an uncertainty estimate of quadrupole moments and B(E2) transition rates that inform nuclear collectivity. In particular, we study the…”
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Block Iterators for Sparse Matrices by Daniel Langr, Ivan Šimeček, Tomáš Dytrych

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Emergent symplectic symmetry in atomic nuclei by Launey, Kristina D, Dytrych Tomáš, Sargsyan, Grigor H, Baker, Robert B, Draayer, Jerry P

“…Exact symmetry and symmetry-breaking phenomena play a key role in gaining a better understanding of the physics of many-particle systems, from quarks and…”
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Symmetry-guided large-scale shell-model theory by Launey, Kristina D., Dytrych, Tomas, Draayer, Jerry P.

“…In this review, we present a symmetry-guided strategy that utilizes exact as well as partial symmetries for enabling a deeper understanding of and advancing ab…”
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A 21 st Century View of Nuclear Structure by Baker, Robert B., Draayer, Jerry P., Sargsyan, Grigor H., Dreyfuss, Alison C., Dytrych, Tomáš, Kekejian, David, Launey, Kristina D., Mercenne, Alexis

“…Exploiting exact and special symmetries to unmask simplicity within complexity, which remains the “holy grail” of nuclear physics, will be considered within…”
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Similarity renormalization group and many-body effects in multiparticle systems by Launey, Kristina D., Dytrych, Tomáš, Draayer, Jerry P.

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Uncertainty Quantification of Collective Nuclear Observables From the Chiral Potential Parametrization by Becker, Kevin S, Launey, Kristina D, Ekström, Andreas, Dytrych, Tomáš, Langr, Daniel, Sargsyan, Grigor H, Draayer, Jerry P

“…We perform an uncertainty estimate of quadrupole moments and B(E2) transition rates that inform nuclear collectivity. In particular, we study the low-lying…”
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