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Quantum Time Arrows, Semigroups and Time-Reversal in Scattering
Irreversibility time arrows rigged Hilbert space
2008/4/22
Two approaches toward the arrow of time for scattering processes have been proposed in rigged Hilbert space quantum mechanics. One, due to Arno Bohm, involves preparations and registrations in laborat...
The incompleteness of extensional object languages of physics and time reversal. Part 2.
logic of physics intensional semantics for physics
2008/4/21
This continues from Part 1. It is shown how an intensional interpretation of physics object languages can be formalised, and how a syntactic compositional time reversal operator can subsequently be de...
The analysis of the reversibility of quantum mechanics depends upon the choice of the time reversal operator for quantum mechanical states. The orthodox choice for the time reversal operator on QM sta...
The time reversal invariance of classical electromagnetic theory: Albert versus Malament.
time reversal invariance electromagnetic theory
2008/4/21
David Albert has recently argued that classical electromagnetic theory (EM) is not time reversal invariant (non-TRI), while David Malament rejects this argument and maintains the orthodox result, that...
Richard Feynman has claimed that anti-particles are nothing but particles `propagating backwards in time'; that time reversing a particle state always turns it into the corresponding anti-particle sta...
Time-reversal invariance and irreversibility in time-asymmetric quantum mechanics
quantum mechanics irreversibility time-reversal invariance
2008/4/21
The aim of this paper is to analyze the concepts of time-reversal invariance and irreversibility in the so-called 'time-asymmetric quantum mechanics'. We begin with pointing out the difference between...
"On the Time Reversal Invariance of Classical Electromagnetic Theory"
time reversal invariance electromagnetic theory
2008/4/9
David Albert claims that classical electromagnetic theory is not time reversal invariant. He acknowledges that all physics books say that it is, but claims they are ``simply wrong" because they rely ...