Polyakov–Nambu–Jona-Lasinio model in finite volumes Abhijit Bhattacharyya, Sanjay K. Ghosh, Rajarshi Ray, Kinkar Saha and Sudipa Upadhaya EPL, 116 5 (2016) 52001 Published online: 19 January 2017 DOI: 10.1209/0295-5075/116/52001