Results 21 to 30 of about 77,884 (251)

Hybrid Inflation and Brane-Antibrane System [PDF]

, 2003
We study a string theory inspired model for hybrid inflation in the context of a brane-antibrane system partially compactified on a compact submanifold of (a caricature of) a Calabi-Yau manifold.
Bagla J S, Becker K, Benaoum H B, Bennett C L, Bento M C, Bergshoeff E, Burgess C, Burgess C P, Choudhury D, Cline J M, Debajyoti Choudhury, Debashis Ghoshal, Dileep P Jatkar, Dvali G, Fairbairn M, Felder G, Felder G N, Frolov A V, Gaiotto D, Garousi M, Ghoshal D, Gibbons G, Gibbons G W, Helgason S, Herdeiro C, Kachru S, Kachru S, Kachru S, Kim C, Kluson J, Kofman L, Kolb E W, Kutasov D, Kutasov D, Lambert N, Leblond F, Lee A T, Li X z, Li X-z, Liddle A, Linde A, Linde A, Linde A D, Majumdar M, Maloney A, Mazumdar A, Mehen T, Peiris H V, Piao Y S, Pogosian L, Quevedo F, Sami M, Sami M, Sen A, Sen A, Sen A, Sen A, Sen A, Sen A, Sen A, Sen A, Sen A, Shiu G, Shiu G, Shiu G, Spergel D N, Strominger A, Sudhakar Panda, Takayanagi T, Wang B   +69 more
core   +2 more sources

A Comparison of Numerical Simulations and Model Experiments on Parametric Roll in Irregular Seas

Journal of Marine Science and Engineering, 2020
The recently finalised Second Generation Intact Stability Criteria (SGISC), produced by the International Maritime Organisation (IMO), contain a level 3 assessment, the so-called Direct Stability Assessment (DSA). This assessment can be carried out using
Geert Kapsenberg, Clève Wandji, Bulent Duz, Sungeun (Peter) Kim   +3 more
doaj   +1 more source

The diminishing liquidity premium [PDF]

, 2008
Previous evidence suggests that less liquid stocks entail higher average returns. Using NYSE data, we present evidence that both the sensitivity of returns to liquidity and liquidity premia have significantly declined over the past four decades to levels
Ben-Rephael, Azi, Kadan, Ohad, Wohl, Avi
core   +1 more source

The Effect of Mooring Line Parameters in Inducing Parametric Resonance on the Spar-Buoy Oscillating Water Column Wave Energy Converter

Journal of Marine Science and Engineering, 2020
Although it is widely accepted that accurate modeling of wave energy converters is essential for effective and reliable design, it is often challenging to define an accurate model which is also fast enough to investigate the design space or to perform ...
Giuseppe Giorgi, Rui P. F. Gomes, Giovanni Bracco, Giuliana Mattiazzo   +3 more
doaj   +1 more source

Current Status of the 2nd Generation of Intact Stability: Investigation of the Pure Loss of Stability and Parametric Roll Mode

한국해양공학회지, 2020
A review of the 2nd generation of intact stability by the International Maritime Organization is performed. The main issues with the new stability criteria are reviewed.
Jaeho Chung, Dong Min Shin, Won-Don Kim, Byung Young Moon   +3 more
doaj   +1 more source

Slow roll inflation in the presence of a dark energy coupling [PDF]

, 2009
In models of coupled dark energy, in which a dark energy scalar field couples to other matter components, it is natural to expect a coupling to the inflaton as well.
Carsten van de Bruck, Christof Wetterich, E. W. Kolb, Joel M. Weller, Lisa M. H. Hall, Philippe Brax, Shin’ichi Nojiri, Thomas Dent, V. Mukhanov   +8 more
core   +3 more sources

Shrinking the Warm Little Inflaton

Journal of High Energy Physics, 2023
We show that warm inflation can be successfully realized in the high temperature regime through dissipative interactions between the inflaton and a single fermionic degree of freedom, provided that the latter’s mass is an oscillatory function of the ...
Paulo B. Ferraz, João G. Rosa
doaj   +1 more source

Monodromy in the CMB: Gravity Waves and String Inflation [PDF]

, 2008
We present a simple mechanism for obtaining large-field inflation, and hence a gravitational wave signature, from string theory compactified on twisted tori. For Nil manifolds, we obtain a leading inflationary potential proportional to phi^(2/3) in terms
Alexander Westphal, E. J. Copeland, Eva Silverstein, J. Scherk, V. Mukhanov   +4 more
core   +2 more sources

Study on the parametric roll characteristics of ships under bow oblique waves

Zhongguo Jianchuan Yanjiu
ObjectiveParametric roll is a common stability loss mode considered in the international maritime organization (IMO) second-generation intact stability framework, most often occurring in head or following seas.
Wuyang LIU, Chaobang YAO, Jiapeng ZHAO, Jiawei YU, Zhiguo ZHANG   +4 more
doaj   +1 more source

Comprehensive calculation and safety assessment of parametric roll of very large container ship

Zhongguo Jianchuan Yanjiu, 2017
As the significant variation of GM in waves for very large container ships, strict demands are raised for this ship type in the evaluation and safety assessment of parametric roll.
MA Chengyuan, MA Ning, WANG Tinghao, GU Xiechong   +3 more
doaj   +1 more source