M. Wakamatsu
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View article: Unveiling the Role of Vector Potential in the Aharonov–Bohm Effect
Unveiling the Role of Vector Potential in the Aharonov–Bohm Effect Open
The most popular interpretation of the Aharonov–Bohm (AB) effect is that the electromagnetic potential locally affects the complex phase of a charged particle’s wave function in the magnetic field free region. However, since the vector pot…
View article: Extraordinary Nature of the Nucleon Scalar Charge and Its Densities as a Signal of Nontrivial Vacuum Structure of QCD
Extraordinary Nature of the Nucleon Scalar Charge and Its Densities as a Signal of Nontrivial Vacuum Structure of QCD Open
It is widely known that the nucleon scalar charge is proportional to the pion–nucleon sigma term as one of the important low-energy observables of QCD. Especially interesting to us is the physics of the nucleon scalar charge densities. Thi…
View article: On the time-dependent Aharonov-Bohm effect and the 4-dimensional Stokes theorem
On the time-dependent Aharonov-Bohm effect and the 4-dimensional Stokes theorem Open
The time-dependent Aharonov-Bohm (AB) effect considers the situation in which the magnetic flux inside the solenoid changes time-dependently. Different from the standard AB-effect, the problem is unexpectedly subtle and not easy to solve w…
View article: A Case of Pancreatic Serous Cystic Neoplasm with Multiple Micro Lesions in Addition to Two Tumors
A Case of Pancreatic Serous Cystic Neoplasm with Multiple Micro Lesions in Addition to Two Tumors Open
View article: Is gauge symmetry vacuous or physical ? : Lessons from the Landau problem as a solvable quantum gauge theoretical system
Is gauge symmetry vacuous or physical ? : Lessons from the Landau problem as a solvable quantum gauge theoretical system Open
The gauge symmetry is one of the most important concepts in modern physics, but there are two conflicting views on its meaning or interpretation. The standard view is that local gauge symmetry is the basis of the pursue of fundamental part…
View article: Is the Aharonov-Bohm phase shift for a non-closed path a measurable quantity ?
Is the Aharonov-Bohm phase shift for a non-closed path a measurable quantity ? Open
There recently appear some interesting attempts to explain the AB-effect through the interaction between the charged particle and the solenoid current mediated by the exchange of a virtual photon. A vital assumption of this approach is tha…
View article: Is the Aharonov-Bohm Phase Shift for a Non-Closed Path a Measurable Quantity?
Is the Aharonov-Bohm Phase Shift for a Non-Closed Path a Measurable Quantity? Open
View article: Physical symmetries and gauge choices in the Landau problem
Physical symmetries and gauge choices in the Landau problem Open
View article: Revisiting the compatibility problem between the gauge principle and the observability of the canonical orbital angular momentum in the Landau problem
Revisiting the compatibility problem between the gauge principle and the observability of the canonical orbital angular momentum in the Landau problem Open
View article: The physics of helical electron beam in a uniform magnetic field as a testing ground of gauge principle
The physics of helical electron beam in a uniform magnetic field as a testing ground of gauge principle Open
View article: Study on measurement method of radio wavesgenerated by charged particles in cosmic-ray airshowers using a particle accelerator
Study on measurement method of radio wavesgenerated by charged particles in cosmic-ray airshowers using a particle accelerator Open
To develop a detector with an effective area large enough to observe an extensive air shower, we studied a method of detecting radio waves generated via the transition radiation process by charged particles in an air shower. Characteristic…
View article: The issue of gauge choice in the Landau problem and the physics of canonical and mechanical orbital angular momenta
The issue of gauge choice in the Landau problem and the physics of canonical and mechanical orbital angular momenta Open
View article: Unraveling the physical meaning of the Jaffe-Manohar decomposition of the nucleon spin
Unraveling the physical meaning of the Jaffe-Manohar decomposition of the nucleon spin Open
A general consensus now is that there are two physically inequivalent complete decompositions of the nucleon spin, i.e. the decomposition of the canonical type and that of mechanical type. The well-known Jaffe-Manohar decomposition is of t…