1.

Quantum mechanical look at the radioactivelike decay of metastable dark energy
/ Szydłowski, Marek ; Stachowski, Aleksander ; Urbanowski, Krzysztof
We derive the Shafieloo, Hazra, Sahni and Starobinsky (SHSS) phenomenological formula for the radioactivelike decay of metastable dark energy directly from the principles of quantum mechanics. [...]
Published in EPJC 77 (2017) 902
10.1140/epjc/s1005201754718
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2.

Nonclassical Behavior of Moving Relativistic Unstable Particles
/ Urbanowski, K.
We study the survival probability of moving relativistic unstable particles with definite momentum $\vec{p} \neq 0$. [...]
Published in Acta Physica Polonica B 48 (2017) 14111432
10.5506/APhysPolB.48.1411
arXiv:1506.05076
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3.

Cosmological implications of the transition from the false vacuum to the true vacuum state
/ Stachowski, Aleksander ; Szydłowski, Marek ; Urbanowski, Krzysztof
We study cosmology with running dark energy. [...]
Published in EPJC 77 (2017) 357
10.1140/epjc/s1005201749342
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4.

On the Velocity of Moving Relativistic Unstable Quantum Systems
/ Urbanowski, K.
We study properties of moving relativistic quantum unstable systems. [...]
Published in Advances in High Energy Physics 2015 (2015) 461987
10.1155/2015/461987
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5.

Decay law of relativistic particles: Quantum theory meets special relativity
/ Urbanowski, K.
Late time properties of moving relativistic particles are studied. [...]
Published in Physics letters B 737 (2014) 346351
10.1016/j.physletb.2014.08.073
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6.

Possible emission of cosmic X  and γ rays by unstable particles at late times
/ Urbanowski, K. ; Raczyńska, K.
We find that charged unstable particles as well as neutral unstable particles with nonzero magnetic moment which live sufficiently long may emit electromagnetic radiation. [...]
Published in Physics letters B 731 (2014) 236241
10.1016/j.physletb.2014.02.043
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