Pan, S., Cai, Y., & Piao, Y. Climbing over the potential barrier during inflation via null energy condition violation. SpringerOpen.
Chicago Style (17th ed.) CitationPan, Shi, Yong Cai, and Yun-Song Piao. Climbing over the Potential Barrier During Inflation via Null Energy Condition Violation. SpringerOpen.
MLA (9th ed.) CitationPan, Shi, et al. Climbing over the Potential Barrier During Inflation via Null Energy Condition Violation. SpringerOpen.
Warning: These citations may not always be 100% accurate.