Accelerated expansion of the universe driven by tachyonic matter

T Padmanabhan - Physical Review D, 2002 - APS
It is an accepted practice in cosmology to invoke a scalar field with a potential V (φ) when
the observed evolution of the universe cannot be reconciled with theoretical prejudices …

[图书][B] Scattering from model nonspherical particles: theory and applications to environmental physics

F Borghese, P Denti, R Saija - 2007 - books.google.com
Since the publication of the? rst edition of this book, we have become deeply involved in
astrophysics research, particularly the study of the interstellar medium. Modeling scattering …

The signature of primordial grain growth in the polarized light of the AU Microscopii debris disk

JR Graham, PG Kalas, BC Matthews - The Astrophysical Journal, 2007 - iopscience.iop.org
We have used the Hubble Space Telescope Advanced Camera for Surveys coronagraph to
make the first polarization maps of the AU Microscopii debris disk. The polarization rises …

Investigation of nanoparticle agglomerates properties using Monte Carlo simulations

X Deng, Z Huang, W Wang, RN Davé - Advanced Powder Technology, 2016 - Elsevier
By accounting for realistic interparticle interaction energy of fine dry nanoparticles, an off-
lattice Monte Carlo (MC) simulation approach is used to gain insight into such properties of …

Interstellar grains—the 75th anniversary

A Li - Journal of Physics: Conference Series, 2005 - iopscience.iop.org
The year of 2005 marks the 75th anniversary since Trumpler (1930) provided the first
definitive proof of interstellar grains by demonstrating the existence of general absorption …

Characterization of the internal morphology of agglomerates produced in a spray fluidized bed by X-ray tomography

M Dadkhah, M Peglow, E Tsotsas - Powder Technology, 2012 - Elsevier
The internal structure of granules produced by spray fluidized bed agglomeration was
investigated by means of X-ray micro-computer-tomography. The X-ray tomography delivers …

Effect of morphology on light scattering by agglomerates

E Zubko, Y Shkuratov, G Videen - Journal of Quantitative Spectroscopy and …, 2015 - Elsevier
Using the discrete dipole approximation (DDA), we compute light scattering from irregularly
shaped particles with three different types of agglomerate morphologies. The packing …

Comprehensive T-matrix reference database: a 2004–06 update

MI Mishchenko, G Videen, VA Babenko… - Journal of Quantitative …, 2007 - Elsevier
The T-matrix method is one of the most versatile, efficient, and widely used theoretical
techniques for the computation of electromagnetic scattering by single and composite …

Optical tweezers in a dusty universe: Modeling optical forces for space tweezers applications

P Polimeno, A Magazzù, MA Iatì, R Saija… - The European Physical …, 2021 - Springer
Optical tweezers are powerful tools based on focused laser beams. They are able to trap,
manipulate, and investigate a wide range of microscopic and nanoscopic particles in …

Radiation from collapsing shells, semiclassical backreaction, and black hole formation

A Paranjape, T Padmanabhan - … Review D—Particles, Fields, Gravitation, and …, 2009 - APS
We provide a detailed analysis of quantum field theory around a collapsing shell and
discuss several conceptual issues related to the emission of radiation flux and formation of …