# Some Cosmological Solutions of a New Nonlocal Gravity Model

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## Abstract

**:**

## 1. Introduction

## 2. New Nonlocal Gravity Model

#### 2.1. Equations of Motion

#### 2.2. Ghost-Free Condition

## 3. Cosmological Solutions

#### 3.1. Cosmological Solution $a\left(t\right)=A\phantom{\rule{0.166667em}{0ex}}\sqrt{t}\phantom{\rule{0.166667em}{0ex}}{e}^{\frac{\Lambda}{4}{t}^{2}}\phantom{\rule{0.166667em}{0ex}},\phantom{\rule{0.166667em}{0ex}}\phantom{\rule{0.166667em}{0ex}}k=0$

#### 3.2. Cosmological Solution $a\left(t\right)=A\phantom{\rule{0.166667em}{0ex}}{e}^{\Lambda {t}^{2}}\phantom{\rule{0.166667em}{0ex}},\phantom{\rule{0.166667em}{0ex}}\phantom{\rule{0.166667em}{0ex}}k=0$

#### 3.3. Other Vacuum Solutions: $R\left(t\right)$ = const

## 4. Concluding Remarks

## Author Contributions

## Funding

## Acknowledgments

## Conflicts of Interest

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**MDPI and ACS Style**

Dimitrijevic, I.; Dragovich, B.; Koshelev, A.S.; Rakic, Z.; Stankovic, J.
Some Cosmological Solutions of a New Nonlocal Gravity Model. *Symmetry* **2020**, *12*, 917.
https://doi.org/10.3390/sym12060917

**AMA Style**

Dimitrijevic I, Dragovich B, Koshelev AS, Rakic Z, Stankovic J.
Some Cosmological Solutions of a New Nonlocal Gravity Model. *Symmetry*. 2020; 12(6):917.
https://doi.org/10.3390/sym12060917

**Chicago/Turabian Style**

Dimitrijevic, Ivan, Branko Dragovich, Alexey S. Koshelev, Zoran Rakic, and Jelena Stankovic.
2020. "Some Cosmological Solutions of a New Nonlocal Gravity Model" *Symmetry* 12, no. 6: 917.
https://doi.org/10.3390/sym12060917