Published July 11, 2017 | Version v1
Publication

Finite-size scaling exponents in the interacting boson model

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Description

We investigate the finite-size scaling exponents for the critical point at the shape-phase transition from U(5) (spherical) to O(6) (deformed γ-unstable) dynamical symmetries of the interacting boson model, making use of the Holstein-Primakoff boson expansion and the continuous unitary transformation technique. We compute exactly the leading-order correction to the ground-state energy, the gap, the expectation value of the d-boson number in the ground state and the E2 transition probability from the ground state to the first excited state and determine the corresponding finite-size scaling exponents.

Abstract

DGI BFM2002-03315 BFM2003- 05316-C02-02 BFM2003-05316

Additional details

Created:
March 27, 2023
Modified:
November 29, 2023