Decaying states in the rigged Hilbert space formulation of quantum mechanics
Journal Article
·
· J. Math. Phys. (N.Y.); (United States)
Within the rigged Hilbert space formulation of quantum mechanics idealized resonances (without background) are described by generalized eigenvectors of an essentially self-adjoint Hamiltonian with complex eigenvalue and a Breit--Wigner energy distribution. This establishes the link between the S matrix description of resonances by a pole and the usual description of states by vectors, overcomes theoretical problems connected with the deviation from exponential law and simplifies the calculation of the decay rate formula.
- Research Organization:
- Center for Particle Theory, Department of Physics, University of Texas, Austin, Texas 78712
- OSTI ID:
- 5659445
- Journal Information:
- J. Math. Phys. (N.Y.); (United States), Vol. 21:5
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
QUANTUM MECHANICS
HILBERT SPACE
RESONANCE PARTICLES
DECAY
EIGENVECTORS
HAMILTONIANS
S MATRIX
BANACH SPACE
ELEMENTARY PARTICLES
HADRONS
MATHEMATICAL OPERATORS
MATHEMATICAL SPACE
MATRICES
MECHANICS
QUANTUM OPERATORS
SPACE
657002* - Theoretical & Mathematical Physics- Classical & Quantum Mechanics
GENERAL PHYSICS
QUANTUM MECHANICS
HILBERT SPACE
RESONANCE PARTICLES
DECAY
EIGENVECTORS
HAMILTONIANS
S MATRIX
BANACH SPACE
ELEMENTARY PARTICLES
HADRONS
MATHEMATICAL OPERATORS
MATHEMATICAL SPACE
MATRICES
MECHANICS
QUANTUM OPERATORS
SPACE
657002* - Theoretical & Mathematical Physics- Classical & Quantum Mechanics