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We investigate a modification in the action of inflaton due to noncommutativity leads to a nonstandard initial vacuum and oscillatory corrections in the initial power spectrum.
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R. H. Brandenberger and J. Martin, On Signatures of short distance physics in the Cosmic Microwave Background
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N. Bartolo, E. Komatsu, S. Matarrese and A. Riotto, Non-Gaussianity from Inflation: Theory and Observations
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2005
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P. R. Anderson, C. Molina-Paris and E. Mottola, Short distance and initial state effects in inflation: stress tensor and decoherence
2005
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V. Mukhanov, Physical foundations of cosmology
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J. Martin and C. Ringeval, Exploring the Superimposed Oscillations Parameter Space
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S. Tsujikawa, R. Maartens and R. Brandenberger, Non-commutative inflation and the CMB
2003
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K. Goldstein and D. A. Lowe, Initial state effects on the cosmic microwave background and trans-planckian physics
2003
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C. P. Burgess, J. M. Cline, F. Lemieux and R. Holman, Are inflationary predictions sensitive to very high energy physics?
2003
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C. Armendariz-Picon and E. A. Lim, Vacuum choices and the predictions of inflation
2003
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J. Martin and R. H. Brandenberger, On the dependence of the spectra of fluctuations in inflationary cosmology on trans-Planckian physics
2003
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R. J. Szabo, Quantum field theory on noncommutative space
2003
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2005
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L. Sriramkumar and T. Padmanabhan, Initial state of matter fields and trans-Planckian physics: Can CMB observations disentangle the two?
2005
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H. Grosse and R. Wulkenhaar, Renormalisation of ϕ 4 \phi^{4} -theory on noncommutative R 4 R^{4} in the matrix base
2005
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S. Hannestad and L. Mersini-Houghton, A first glimpse of string theory in the sky?
2005
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R. Easther, W. H. Kinney and H. Peiris, Boundary Effective Field Theory and Trans-Planckian Perturbations: Astrophysical Implications
2005
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S. Cole and et al., The 2dF Galaxy Redshift Survey: Power-spectrum analysis of the final dataset and cosmological implications
2005
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B. Greene, M. Parikh and J. P. van der Schaar, Universal correction to the inflationary vacuum
2006
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R. Allahverdi, J. Garcia-Bellido, K. Enqvist and A. Mazumdar, Gauge invariant MSSM inflaton
2006
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Yi-fu Cai and Yun-Song Piao, Probing noncommutativity with inflationary gravitational waves
2007
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N. E. Groeneboom and O. Elgaroy, Detection of transplanckian effects in the cosmic microwave background
2008
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