The Science Case for STEP

@article{Overduin2009TheSC,
  title={The Science Case for STEP},
  author={James Overduin and Francis Everitt and John C. Mester and Paul W. Worden},
  journal={Advances in Space Research},
  year={2009},
  volume={43},
  pages={1532-1537}
}

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References

SHOWING 1-10 OF 17 REFERENCES

Insights into dark energy: interplay between theory and observation

Recent observations suggest that the universe is spa- tially flat and undergoing a period of accelerated expan- sion. In the context of the standard cosmological picture based on Einstein's general

Changing alpha with time: implications for fifth-force-type experiments and quintessence.

If the recent observations suggesting a time variation of the fine structure constant are correct, they imply the existence of an ultralight scalar particle. This particle inevitably couples to

Progress in lunar laser ranging tests of relativistic gravity.

TLDR
Analyses of laser ranges to the Moon provide increasingly stringent limits on any violation of the equivalence principle (EP); they also enable several very accurate tests of relativistic gravity, including the search for a time variation in the gravitational constant.

From Equivalence Principles to Cosmology : Cosmic Polarization Rotation, CMB Observation, Neutrino Number Asymmetry, Lorentz Invariance and CPT(VIII Asia-Pacific International Conference on Gravitation and Astrophysics (ICGA8))

In this paper, we review the approach leading to cosmic polarization rotation observation and present the current status with an outlook. In the study of the relations among equivalence principles,

Runaway dilaton and equivalence principle violations.

In a recently proposed scenario, where the dilaton decouples while cosmologically attracted towards infinite bare string coupling, its residual interactions can be related to the amplitude of density

The Cosmological Constant from the Viewpoint of String Theory

The mystery of the cosmological constant is probably the most pressing obstacle to significantly improving the models of elementary particle physics derived from string theory. The problem arises

Test of the equivalence principle using a rotating torsion balance.

TLDR
By analyzing the data for accelerations towards the center of the Milky Way the authors find equal attractions of Be and Ti towards galactic dark matter, yielding eta(DM,Be-Ti)=(-4+/-7)x10(-5).

The new physics for the twenty-first century

Introduction Gordon Fraser Part I. Matter and the Universe: 1. Cosmology Wendy Freedman and Rocky Kolb 2. Gravity Ronald Adler 3. Astrophysics Arnon Dar 4. Particles and the standard model Chris

Sources and detection of dark matter and dark energy in the universe : proceedings of the 10th UCLA Symposium on Sources and Detection of Dark Matter and Dark Energy in the Universe, February 22-24, 2012, Marina del Rey, California

List of Talks from DM 2012.- List of Attendees at DM 2012.- Brief Overview.- Theoretical Precision: Cosmology and Dark Matter.- Radiative natural supersymmetry with mixed axion/higgsino cold dark

Sources and detection of dark matter and dark energy in the universe : proceedings of the 8th UCLA symposium, Marina del Rey, California, 20-22 February 2008

The eighth UCLA symposium on Sources and Detection of Dark Matter and Dark Energy in the Universe brought together astroparticle physicists and astronomers from around the world to share recent