Table of contents
Bulg. J. Phys. vol. 48 no. 2 (2021)

Thomas Curtright, Manu Paranjape, Eduardo Guendelman
pp. 079-086, [abs, pdf]
Four-Dimensonal Gauss-Bonnet Gravity Without Gauss-Bonnet Coupling to Matter – Spherically Symmetric Solutions, Domain Walls and Spacetime Singularities
Eduardo Guendelman, Emil Nissimov, Svetlana Pacheva
pp. 087-116, [abs, pdf]
Running Dark Energy and Dark Matter from Dynamical Spacetime
S. Banerjee, D. Benisty, E.I. Guendelman
pp. 117-137, [abs, pdf]
On Enceladian Fields
T.S. Van Kortryk, T.L. Curtright, H. Alshal
pp. 138-145, [abs, pdf]
The Role of Acceleration in the Twin Paradox
J. Gamboa, F. Mendez, M.B. Paranjape, B. Sirois
pp. 146-153, [abs, pdf]
Helicity and the Dissipation of Energy in Incompressible Fluids
S.G. Rajeev
pp. 154-160, [abs, pdf]
Phenomenological Mass Matrices with a Democratic Origin
A. Kleppe
pp. 161-173, [abs, pdf]
Qubits, Decoherence and Edge State Detection: Illustration Using the SSH Model
M. Zaimi, C. Boudreault, N. Baspin, H. Eleuch, R. MacKenzie, M. Hilke
pp. 174-182, [abs, pdf]
Cultural Astronomy
S.R. Gullberg
pp. 183-201, [abs, pdf]
Image Charges Re-Imagined
H. Alshal, T.L. Curtright, S. Subedi
pp. 202-224, [abs, pdf]
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