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<p>In the present work, we have investigated the Tsallis holographic dark energy (THDE) by considering a special form of the deceleration parameter (DE). The proposed deceleration parameter satisfactorily shows that the universe transitions from the decelerated to the present accelerated phase. The EoS parameter of our proposed model nicely exhibits the evolution of the universe and lies in the phantom as well as the quintessence era subject to the values of the non-additive parameter <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(\delta\)</EquationSource> <EquationSource Format="MATHML"><math> <mi>δ</mi> </math></EquationSource> </InlineEquation>. The correspondence between THDE and both scalar-field models is performed, and physical parameters are discussed graphically.</p>

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Tsallis holographic dark energy model with a special form of Deceleration parameter

  • 期刊论文

  • 发表日期：

    2025年9月12日

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  • Manash Pratim Das,
  • Raju Roy,
  • Krishna Pandit,
  • Vishnu Narayan Mishra

摘要

In the present work, we have investigated the Tsallis holographic dark energy (THDE) by considering a special form of the deceleration parameter (DE). The proposed deceleration parameter satisfactorily shows that the universe transitions from the decelerated to the present accelerated phase. The EoS parameter of our proposed model nicely exhibits the evolution of the universe and lies in the phantom as well as the quintessence era subject to the values of the non-additive parameter \(\delta\) δ . The correspondence between THDE and both scalar-field models is performed, and physical parameters are discussed graphically.