Exploring the Depths of Dark Matter & Dark Energy: Hot Papers to Read

In summary, the study of dark matter and dark energy has been a hot topic in the field of physics and astrophysics. Dark matter, which makes up about 85% of the universe's total mass, is believed to be responsible for the gravitational pull that holds galaxies together. Scientists are still working to understand its nature and composition. On the other hand, dark energy is thought to be the force driving the expansion of the universe. Recent research has focused on using various techniques, such as gravitational lensing and particle detectors, to better understand these mysterious phenomena and their effects on the universe.
  • #1
wolram
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Google scholar has 651,000 results for dark matter and 521,000 results for
dark energy, more than i could read in a life time, can anyone suggest the
hot pappers on these subjects.
 
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  • #2
i would suggest you use http://adsabs.harvard.edu"
or
http://arxiv.org/archive/astro-ph"
 
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  • #3
Hi wolram! Here are a couple recent papers I like. Not terribly long or technical:

Introduction to Dark Energy and Dark Matter
http://www.arxiv.org/abs/astro-ph/0506676
Authors: Paul H. Frampton

In an introductory manner, the nature of dark energy is addressed, how it is observed and what further tests are needed to reconstruct its properties. Several theoretical approaches to dark energy will be discussed. Finally, the dark matter, especially WIMPs, is introduced.


The Dark Side of the Universe
http://www.arxiv.org/abs/astro-ph/0508279
Authors: Katherine Freese

I will begin by reviewing the evidence for Dark Matter in the Universe, as well as the candidates for dark matter. At most 20% of the dark matter in galaxies can be in the form of MACHOs (Massive Compact Halo Objects); the remainder appears to be some unknown exotic component. The most sensible candidates from the point of view of particle physics are axions and WIMPs (Weakly Interacting Massive Particles), where WIMPs may be supersymmetric particles. Three recent claims of possible detection of WIMP dark matter are tantalizing and will be discussed: the DAMA annual modulation, the HEAT positron excess, and gamma-rays from the Galactic Center. In addition, I will discuss the dependence of signals in detectors on the mass distribution in the Galactic Halo. In particular, the Sagittarius stream can be a smoking gun for WIMP detection.
 

FAQ: Exploring the Depths of Dark Matter & Dark Energy: Hot Papers to Read

1. What is dark matter and why is it important to study?

Dark matter is a type of matter that does not emit or interact with electromagnetic radiation, making it invisible to telescopes. Its existence is inferred through its gravitational effects on visible matter. It is important to study because it makes up about 85% of the universe's total mass and plays a crucial role in the structure and evolution of galaxies.

2. What is dark energy and how does it differ from dark matter?

Dark energy is a hypothetical form of energy that is thought to be responsible for the observed accelerated expansion of the universe. It differs from dark matter in that it does not interact with matter or radiation and its effects are only seen on a large scale, while dark matter's effects can be observed on both small and large scales.

3. How do scientists study dark matter and dark energy?

Scientists use a variety of methods to study dark matter and dark energy, including observations from telescopes and satellites, as well as theoretical models and simulations. Some of the most promising techniques include measuring the effects of gravitational lensing, studying the rotation curves of galaxies, and observing the cosmic microwave background radiation.

4. What are some recent hot papers on exploring dark matter and dark energy?

Some recent hot papers on dark matter and dark energy include "A Quest for the Nature of Dark Matter" by A. Boyarsky et al., "Evidence for Dark Energy" by A.G. Riess et al., and "Exploring the Scale-Dependent Nature of Dark Energy with Galaxy Clusters" by A. Mantz et al. These papers explore various aspects of dark matter and dark energy, including their potential nature and effects on the universe on different scales.

5. What are some potential implications of our understanding of dark matter and dark energy?

Understanding dark matter and dark energy has the potential to greatly impact our understanding of the universe, from its past evolution to its future fate. It could also have implications for our current theories of gravity and the fundamental laws of physics. Additionally, understanding these mysterious components of the universe could have practical applications, such as in the development of new technologies and energy sources.

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