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相关论文: Problems in a weakless universe

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Assuming that the universe is a system obedient to known thermodynamic laws and equations, here we explore whether it is a possibility for the universe to exist and evolve without any cosmic structure or force necessarily emerging within…

综合物理 · 物理学 2007-05-23 Akinbo Ojo

The existence of multiple regions of space beyond the observable Universe (within the so-called "multiverse") where the vacuum energy density takes different values, has been postulated as an explanation for the low non-zero value observed…

天体物理学 · 物理学 2009-11-11 Abraham Loeb

Current evidence suggests that the cosmological constant is not zero, or that we live in an open universe. We examine the implications for the future under these assumptions, and find that they are striking. If the Universe is cosmological…

天体物理学 · 物理学 2009-10-31 Lawrence M. Krauss , Glenn D. Starkman

Despite the success of modern physics in formulating mathematical theories that can predict the outcome of experiments, we have made remarkably little progress towards answering the most fundamental question of: why is there a universe at…

物理学史与哲学 · 物理学 2012-08-24 Stuart Heinrich

Universe structure emerges in the unreduced, complex-dynamic interaction process with the simplest initial configuration (two attracting homogeneous fields, quant-ph/9902015). The unreduced interaction analysis gives intrinsically creative…

综合物理 · 物理学 2007-05-23 Andrei P. Kirilyuk

I shall present three arguments for the proposition that intelligent life is very rare in the universe. First, I shall summarize the consensus opinion of the founders of the Modern Synthesis (Simpson, Dobzhanski, and Mayr) that the…

科普物理 · 物理学 2015-05-13 Frank J. Tipler

During the last centuries of human history, many questions was repeated in connection with the great problems of the existence and origin of human beings, and also of the Universe. The old questions of common sense and philosophy have not…

天体物理学 · 物理学 2007-05-23 Zs. Hetesi , B. Balázs

The anthropic principle is an inevitable constraint on the space of possible theories. As such it is central to determining the limits of physics. In particular, we contend that what is ultimately possible in physics is determined by…

广义相对论与量子宇宙学 · 物理学 2010-02-11 Navin Sivanandam

In a multiverse context, determining the probability of being in our particular universe depends on estimating its overall habitability compared to other universes with different values of the fundamental constants. One of the most…

地球与行星天体物理 · 物理学 2019-08-15 McCullen Sandora

Dennis Sciama argued that the existence of life depended on many quantities, the fundamental constants, so in a random universe life should be highly unlikely. However, without full knowledge of these constants, his argument implies a…

物理学史与哲学 · 物理学 2023-06-28 Zhi-Wei Wang , Samuel L. Braunstein

One of the chief paradoxes of molecular oxygen (O$_2$) is that it is an essential requirement for multicellular eukaryotes on Earth while simultaneously posing a threat to their survival via the formation of reactive oxygen species. In this…

地球与行星天体物理 · 物理学 2020-03-09 Manasvi Lingam

The affirmative statement of the existence of extraterrestrial life is tentatively raised to the status of a principle. Accordingly, Fermi's question is answered and the anthropic principle is shown to be falsifiable. The time-scale for the…

天体物理学 · 物理学 2007-05-23 Domingos S. L. Soares

In the {\em Many Worlds Interpretation} of quantum mechanics, the range of possible worlds (or histories) provides variation, and the Anthropic Principle is a selective principle analogous to natural selection. When looked on in this way,…

综合物理 · 物理学 2007-05-23 Russell K. Standish

The oft-repeated claim that life is written into the laws of nature are examined and criticized. Arguments are given in favour of life spreading between near-neighbour planets in rocky impact ejecta (transpermia), but against panspermia,…

天体物理学 · 物理学 2007-05-23 P. C. W. Davies

We revisit our 2013 claim [arXiv:1303.7476] that the Universe is the result of a conspiratorial plot, and find that it cannot be trusted, because even the belief in this conspiracy likely results from a conspiracy. On the basis of…

科普物理 · 物理学 2020-04-23 Jörg P. Rachen , Ute G. Gahlings

It is argued that the observed Thermodynamic Arrow of Time must arise from the boundary conditions of the universe. We analyse the consequences of the no boundary proposal, the only reasonably complete set of boundary conditions that has…

广义相对论与量子宇宙学 · 物理学 2009-10-22 S. W. Hawking , R. Laflamme , G. W. Lyons

Universe structure emerges in the unreduced, complex-dynamical interaction process with the simplest initial configuration (two attracting homogeneous fields). The unreduced interaction analysis avoiding any perturbative model gives…

综合物理 · 物理学 2015-03-20 Andrei P. Kirilyuk

We investigate a class of universes in which the weak interaction is not in operation. We consider how astrophysical processes are altered in the absence of weak forces, including Big Bang Nucleosynthesis (BBN), galaxy formation, molecular…

星系天体物理 · 物理学 2018-03-14 E. Grohs , Alex R. Howe , Fred C. Adams

The observable universe is necessarily hospitable for life. There are indications, however, that the laws of physics and cosmological parameters need not take the form and values observed, and if they were slightly different life could not…

综合物理 · 物理学 2012-07-24 Colin S. Coleman

The primordial confrontation underlying the existence of our universe can be conceived as the battle between entropy and complexity. The law of ever-increasing entropy (Boltzmann H-theorem) evokes an irreversible, one-directional evolution…

物理与社会 · 物理学 2015-06-18 Sorin Solomon , Natasa Golo